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WorksheetsGrade 7 Mathematics
Total questions: 50
Worksheet time: 2hrs 40mins
The undefined terms – point, line, and plane are the building blocks in Geometry. Which of the following is the best description of a plane?
a flat figure
a flat figure that extends infinitely in all directions
a flat two-dimensional figure that extends infinitely in all directions
has no dimension
Jane observed that a point looked like a dot. Which of the following set of objects represents a point?
tip of a pen, stars in the sky, a grain of salt
surface of the board, edge of the table, electric wire
stars in the sky, strand of hair, corner of the table
tip of a pen, surface of the board, corner of the table
Consider the line with points A, B, and C in that order, where B is the midpoint between A and C. Which of the following represents the ray that starts at point A and extends infinitely through point C?
ray AB
segment AC
ray CA
ray AC
Angles are formed by two intersecting lines. In the word L O V E, which of the following letters formed an angle?
O
O E
L O V
L V E
A carpenter is designing a picture frame. The corners of the frame are made with different angles. One corner has a 90° angle. Another corner has a 150° angle. The third corner has a 45° angle. Which of the following correctly matches the angles with their classifications?
90° is acute; 150° is right; 45° is obtuse
90° is right; 150° is obtuse; 45° is acute
90° is acute; 150° is obtuse; 45° is right
90° is right; 150° is obtuse; 45° is straight
You are standing at a crossroad where two roads intersect each other. At this point, you are standing at the common vertex. What type of angle pair is formed by your view when you look straight ahead and then look to your right or left?
Complementary
Supplementary
Adjacent
Linear Pair
Sara is designing a picture frame. She wants the corners to be right angles, but she accidentally measures one corner as 92°. What is the measure of the other angle at that corner and what kind of angles are they if they’re supplementary?
87°, both obtuse
88°, one acute and one obtuse
87°, both right
88°, one right and one obtuse
At a road crossing, two straight roads intersect. One of the angles formed is 120°. The angle next to it forms a straight line with the 120° angle. What is the measure of the adjacent angle?
60°
120°
240°
180°
Which of the following is TRUE about pair of angles when two parallel lines are cut by a transversal?
Pairs of alternate interior angles are congruent.
Pairs of alternate interior angles are supplementary.
Pairs of alternate interior angles are linear pair.
Pairs of alternate interior angles are adjacent.
Two parallel lines l1 and l2 are cut by a transversal t. At the intersection of t and l1, angle 1 measures 35°. What is the measure of the alternate interior angle of angle 1?
35°
55°
145°
180°
In the given diagram, lines AB and CD are parallel. A transversal line intersects these parallel lines. What is the measure of ∠x?
50° - because ∠x and 50° are congruent
50° - because ∠x and 130° are supplementary
130° - because ∠x and 50° forms a linear pair
130 - because ∠x and 50° are supplementary
Czarina was asked to draw ray OB bisecting ∠AOC. Which of the following illustrations shows OB bisects ∠AOC?
a
a
b
b
c
c
d
d
If you are going to construct line JK with a segment bisector line VW where they intersect at •M, what could be the figure and explain the relationship of JM and MK
JM and MK are congruent since construction VW divides them equally as a bisector.
JM and MK are congruent since construction VW divides them equally as a bisector.
Based on the construction JM and MK have the same size.
Based on the construction JM and MK have the same size.
JK and VW are perpendicular.
JK and VW are perpendicular.
JM is shorter than MK
JM is shorter than MK
Ellaine is studying polygons for her exam; she noticed that some parts of a polygon have equal numbers. Which parts of the polygons are equal in number?
Sides, angles and vertices
Sides, angles and diagonals
sides, interior points and exterior points
curves and exterior points
A road sign can be shaped like a polygon, such as a stop sign that has 8 sides and a convex polygon. Which statement correctly applies to this description?
All interior angles are less than 180°.
The sum of the exterior angles is 360.
The polygon has 8 vertices
At least one interior angle is greater than 180°.
During your mathematics class, your teacher gave you an assignment to draw three different types of convex polygons. Polygons should vary in the number of sides, and you need to make sure each one is convex, meaning all their interior angles must be less than 180 degrees and no vertices point inward. Which of the following will you draw?
a
a
b
b
c
c
d
d
Mr. Cole is designing a star shape where it has 10 points. He wants to know the measure of each interior angle of the star. (Note that the star can be thought of as regular decagon (10-sided polygon) with each angle formed by extending two adjacent sides). What is the measure of each interior angle of the star?
144°
1440°/10
5°
10°
Sam is studying a regular polygon where the sum of each exterior angle and its adjacent interior angle is 180°. If each exterior angle measures 30°, how many sides does the polygon have?
6 sides
12 sides
30 sides
180 sides
In Math subject, Marie was asked by her teacher what formula she must apply in finding the measure of each interior angle of a regular polygon. She came up with the answer and presented it to her teacher. Which formula below should Marie apply?
(n-2)180°/n
(n-2)180°
(n-2)
(n+2)
Imagine you’re building a circular garden. You measure the distance across the garden through the center (diameter). You also measure the distance from the center of the garden to the edge (radius). Which of the following statements BEST describes the relationship between the diameter and the radius of your circular garden? Choose all that apply.
i. All radii of a circle are equal in length.
ii. The diameter is twice the measure of the radius.
iii. The circumference is the distance around the circle.
iv. The radius is half of the diameter.
i, ii, iv
I, ii, iii
i and ii only
iii only
Anton’s task given by her Geometry teacher is to construct OP and draw a diameter on that circle. He understands that there is consideration to be done in sketching a diameter. Which options below should Anton consider?
It must be drawn from any point on the circle and passes through the center of a circle.
It must be drawn from any two points on the circle.
It must be drawn from the center to any point on the circle.
It must be drawn from any two points in the circle.
You are designing a circular flower bed inside a square lawn. To use the maximum possible area, which design should you create?
A circle touching all four sides of the square
A circle touching only two sides of the square
A circle with diameter half the side of the square
Any circle inside the square
Geometric tools are instruments used in Math, Science, and Art to accurately draw, measure and construct geometric shapes, lines and angles. Which of the following instruments is essential for constructing a regular polygon using the classical geometric method?
Protractor
Compass
Tape Measure
Straightedge
Grade 7- Dahlia is asked to construct a regular hexagon using a compass and ruler. Why is it necessary that the compass opening is kept equal to the radius of the circle throughout the construction?
Because keeping the compass opening equal to the radius ensures that all six sides are equal, forming a regular hexagon.
Because the compass is used to mark six points on the circle, which helps in drawing the hexagon.
Because the compass helps with drawing arcs during construction.
Because the compass must always be kept open while drawing any polygon.
A student solves a problem and states: “The sum of interior angles of a polygon is 1260∘ , so the polygon has 9 sides.” Evaluate the student’s conclusion and choose the option that best justifies your decision.
The solution is correct because (n−2)×180=1260⇒n=9 so the student’s calculation shows the polygon has 9 sides, meaning the conclusion is correct, but the reasoning must clearly use the interior-angle sum formula.
The conclusion is correct, because polygons with larger interior-angle sums have more sides, and 1260∘ matches 9 sides.
The conclusion is correct, because the sum of interior angles increases as the number of sides increases.
The conclusion is incorrect.
BELVEDERE TOWN PARK. An urban planner is renovating the park at Belvedere Town. To represent different elements on a digital map, the planner uses basic geometric concepts: • Points represent light poles. • Lines represent straight walking paths. • Planes represent flat grassy fields. Based on the geometric properties of a line and a plane in space, is it possible for a line and plane to intersect at exactly two points?
Yes, when the plane and a line are parallel to each other.
No, because the line is slant.
No, A straight line can't curve back to intersect the plain again.
No, if a line intersects a plane at two points, the entire line must lie within that plane, making it infinite points of intersection, not just two.
STRAW FISH WALL HANGING. During Arts class, teacher Joanna asked her students to bring scissors, threads, straws, colored paper, and ruler. Marie noticed that these objects represent undefined terms in Geometry. Which of the following sets of objects represent a line?
scissors, colored paper, straws
thread, straws, ruler
ruler, straws
colored paper, scissors
A CUTE HOME. Angelo observed that some of their things at home represent an angle. He knows that an acute angle measures less than 90∘ but greater than 0∘ . Which of the following real-life objects typically features an acute angle?
i. corner of the television
ii. a partially opened door
iii. tips of the scissors
iv. the hands of an analog clock at 2:00
I only
ii only
I, ii, and iii
ii, iii, and iv
PEDESTRIAN BRIDGE. A structural engineering firm is auditing the safety of a newly constructed pedestrian bridge in Robinson’s GenTri. The city’s strict safety guidelines require that the angle of the main structural support must be obtuse to properly distribute weight during high-wind events. If the support forms an acute or right angle, it is deemed structurally unsound for this specific bridge design. During the audit, the lead engineer measures the internal angle of the support beam and finds it is exactly 89.7∘ . Evaluate the safety of the bridge support based on the city's mandatory safety guidelines. Which of the following conclusions is most mathematically and professionally justified?
The bridge is borderline safe because 89.7∘ is nearly a right angle ( 90∘ ), which is almost enough to meet the city's wide-angle requirement.
The bridge is safe because 89.7∘ is a reflex angle, providing the widest possible support for wind resistance.
The bridge is unsafe because 89.7∘ is an acute angle (less than 90∘ ) and therefore fails to meet the mandatory obtuse requirement.
The bridge is safe because 89.7∘ is a large enough angle to be considered obtuse in most general construction practices.
WHAT TIME IS IT? Using the clock as representation of different kinds of angles. What time will show an example of an obtuse angle? (Remember the angles measuring greater than 90∘ and less than 180∘ are called obtuse angle)
5 o’clock and 8 o’clock
5 o’clock and 9 o’clock
6 o’clock and 12 o’clock
3 o’clock and 6 o’clock
AJAR. Maria is opening the door. The door forms a 30∘ angle with the wall when it is slightly open. She wants to open the door further so that the angle between the door and the wall becomes 90∘ . How much more does Maria need to open the door? What type of angle does the door form?
90∘ , right
60∘ , right
30∘ , right
120∘ , acute
PARKING AREA. A parking space or parking area is a location that is designated for parking a vehicle. It can be in a parking garage, in a parking lot or on a city street. The space may be delineated by road surface markings. On the right is the picture of a parking space. The design is composed of parallel and perpendicular lines. Why are parking lots designed to be like this?
So we can party all day and night.
Personal design of architects and engineers.
To have an easy flow of vehicles which are coming in and out of the parking area.
Vehicles are properly arranged.
TRIANGULAR GARDEN. A millionaire has donated a large amount of money to a local government unit for the construction of a triangular garden outside their building. One of the angles of the triangular garden is 50∘ . What are the possible measurements of the two remaining angles and why?
100∘ and 30∘ , because 50∘+100∘+30∘=180∘ .
70∘ and 70∘ , because the remaining angles must both be obtuse.
65∘ and 75∘ , because the sum of the angles of a triangle is 200∘ .
130∘ and 0∘ , because one interior angle of a triangle can be zero.
THE THREE ARCHERS. The three archers were practicing shooting an arrow for the Olympics. The arrows shot by the three archers hit a tree as shown on the right. Arrows A and B are in parallel to the ground and arrow C cuts across the other two arrows. If m∠1 is 130°, which of the following statement is correct?
m∠5 is 50° because they are alternate exterior angles
m∠4 is 50° because they are supplementary angles
m∠3 is 130° because they are corresponding angles.
m∠8 is 130° because they are same-side exterior angles
LEANING TOWER OF PISA. The Leaning Tower of Pisa is one of the most remarkable architectural structures from medieval Europe. This tower shows an example of a linear pair because of its formed angle on the sides. If one angle measures 87°, what is the measure of another angle and why?
93°, because the two angles are adjacent
93°, because the two angles are vertical
93°, because the two angles are supplementary
93°, because the two angles are adjacent and a linear pair which sum of angles are 180°
RAILWAY TRACKS. Two railway tracks run parallel to each other. A pedestrian crossing cuts across the tracks at an angle, forming intersections with each track. A student notices the angles formed where the crossing meets each track. Which statement best explains the relationship between the angles formed on the same side of the crossing at each track?
The angles are congruent because the crossing acts as a transversal to the parallel tracks.
The angles are supplementary because they are on the same side of the crossing.
The angles are always 90° because railway tracks are straight.
The angles have no relationship because the tracks are parallel.
STREET-WISE. A city architect is designing a pedestrian crossing pattern. Two parallel streets, Street A and Street B, are crossed by a straight pedestrian path. At the point where the path crosses Street B, the angle between the path and the street is 65°, as shown on the right. Which of the following is the measure of the corresponding angle formed where the path crosses Street A?
115°
180°
65°
360°
DIVIDE ME EQUALLY. A landscape engineer is constructing a triangular garden at a city park. At one corner of the garden, the angle between two walkways is 72°. How will the engineer apply the angle bisector theorem?
He divides the walkways into three equal parts
He divides the walkways into two, making one angle larger
He divides the walkways into two equal parts
The walkways remain as is
POLYGON MUSEUM. Grade 7 students of TNTS conduct an educational trip in a museum located at Manila. During their trip inside the museum, they encounter different paintings, portraits, antique objects, mosaic, and artwork created by various well-known people in the country. Some of these are the following: Which of the following statements correctly classifies each figure as convex or non-convex?
Spolarium is convex, mosaic is non-convex, and wooden coffin is convex
Spolarium is convex, mosaic is non-convex, and wooden coffin is non-convex
Spolarium is non-convex, mosaic is non-convex, and wooden coffin is non-convex
Spolarium is convex, mosaic is convex, and wooden coffin is convex
RUN FOR YOUR LIFE. In a rectangular basketball court ABCD, a player was asked by his coach to run from vertex A to any vertices making a line diagonally. Which of the following diagonals may the player run to?
AB
AC
CA
AE
ARCHITECTURAL DESIGN REVIEW. An architect designs the floor plan of a small art gallery in the shape of a polygon. From the blueprint, the floor plan has: five sides of different lengths and one interior angle greater than 180°, forming an inward corner. During the design review, a committee member states: “This floor plan is a convex pentagon because it has five sides”. How should the committee evaluate this statement?
The statement is incorrect. The plan is a pentagon because it has five sides, but the inward corner means one interior angle is greater than 180°, making the shape non-convex.
The statement is partly incorrect. The plan does have five sides, but the inward corner suggests the shape may not be convex.
The statement cannot be fully evaluated because knowing the number of sides alone is not enough to determine convexity.
The statement is correct because any architectural design with five sides is always convex.
AT MAPLE GROVE PARK VILLAGE. At Maple Grove Park Village in General Trias, Cavite, many of the areas are designed using geometric shapes, particularly convex polygons, to create smooth pathways, safe gathering areas, and visually appealing layouts. To ensure that walkways connect properly and that decks and garden borders align neatly, the planners review basic geometric properties of polygons. Which statement correctly states the relationship between an exterior angle and its adjacent interior angle of a convex polygon?
An exterior angle and its adjacent interior angle form a linear pair and are supplementary
The interior angle is always equal to the exterior angle
An interior angle is the supplement of an exterior angle
The exterior angle is always less than 180° since it is a supplement of its adjacent interior angle
REGULAR HEXAGONAL TABLE. The canteen of Tanza National Trade School has a regular hexagonal table. The school wants to place chairs at each vertex so that students can sit around it. If each exterior angle of the table is 60°, which statement correctly applies to the relationship between interior and exterior angles?
6 chairs can be placed, and all exterior angles add up to 360°.
12 chairs can be placed, assuming each side can hold two students.
6 chairs can be placed, interior angle and exterior angle will add up to 180°.
6 chairs can be placed, and each interior angle is 120°, because interior and exterior angles are supplementary.
VERTICAL ANGLE THEOREM. Madie tries to intersect two lines. Four angles were formed such as ∠1, ∠2, ∠3, and ∠4. The Vertical Angle Theorem states that if two lines cross at a single point, two pairs of congruent angles are formed. Refer to the figure at the right, if ∠1 measures 25°, what is the measure of ∠3 and why?
155°, because ∠1 and ∠3 are supplementary angles
25°, because ∠1 and ∠3 are complementary angles
25°, because ∠1 and ∠3 are pairs of vertical angles
25°, because ∠1 and ∠3 are pairs of adjacent angles
THE SPRINKLER SYSTEM. Refer to the illustration on the right. Which of the following is the name of the circle representing the area of lawn watered by the sprinkler?
⊙AC
⊙OB
⊙J
⊙O
THE CLOCK FACE. A clock has a circular face with a radius of 6 inches. A designer needs to know the diameter of the clock face to create the outer casing. Which statement correctly shows the relationship between the clock's radius and diameter?
The diameter is twice the length of its radius.
The diameter is equal to the length of its radius.
The diameter is half the length of its radius.
The diameter has no relationship to the radius.
EQUILATERAL TRIANGLE GARDEN. Maria wants to create a small triangular garden in her backyard. She wants the garden to be an equilateral triangle. What would be the correct illustration of the garden if she follows the steps in constructing a regular triangle?
TILE PATERN. Gina, a designer student, is learning how to construct regular polygons for a decorative tile pattern. She draws a circle and plans to construct a regular pentagon inside it using a compass and ruler. Which explanation best shows that the student understands how a regular pentagon can be constructed using a circle?
A regular pentagon can be constructed by dividing the circle into five equal arcs, because equal arcs produce equal sides and equal angles in the pentagon.
A regular pentagon can be constructed by marking five points on the circle and joining them in order.
A regular pentagon is drawn by using a compass to draw a circle.
A regular pentagon is constructed by drawing any five-sided shape inside a circle.
POLYGON-SHAPED GARDEN. A landscaping company is designing a regular polygon-shaped garden. Each corner of the garden has the same interior angle so that fence panels of equal length can be used. The design plan shows that each interior angle of the garden is 140∘ . Using this information, how many sides will the garden have?
9 sides
8 sides
7 sides
6 sides
WALKING PATH. A city engineers plans to design a regular polygon-shaped walking path. The total sum of interior angles must be 720∘ . Which design plan correctly determines the shape?
Identify the polygon as a hexagon using the formula (n−2)×180∘=720∘ , then design equal sides and angles.
Divide the sum starting from 3 until you get a whole number answer and the divisor will be the number of sides.
Draw any polygon and adjust the angles until the total is 720∘ .
Select a polygon without considering the interior angles.
