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WorksheetsTriangles and Polygons Review
Total questions: 26
Worksheet time: 24mins
Classify the triangle by its angles.
acute
right
obtuse
isosceles
Classify the triangle by its angles.
acute
right
obtuse
isosceles
Classify the triangle by its angles.
acute
right
obtuse
isosceles
Classify the triangle by its sides.
equilateral and isosceles
isosceles only
scalene
equilateral only
Classify the triangle by its sides.
equilateral and isosceles
isosceles only
scalene
equilateral only
Classify the triangle by its sides.
equilateral and isosceles
isosceles only
scalene
equilateral only
A polygon is composed of three or more line segments. What is another term for "line segment?"
Angle
Side
Corner
Area
Which of the following shapes is a polygon?
A
B
C
D
Which of the following is a true statement about
polygons?
Each line segment intersects exactly two other line
segments
Each line segment intersects at least two other line
segments
Each line segment intersects exactly one other line
segment
Each line segment intersects at least one other line
segment
Why isn't a circle considered a polygon?
It's an open figure.
Its area cannot be calculated.
It's not made up of line segments.
Its line segments intersect more than two other line
segments.
Every vertex forms a(n):
Line segment
Area
Closed figure
Angle
What can you infer about a polygon from its name?
The length of its perimeter
The sum of its interior angles
The number of line segments that make it up
Its area
The following figure is a(n):
Trigon
Pentagon
Hexagon
Octagon
Which of the following is a regular polygon?
A
B
C
D
Regular polygons have sides and angles that are congruent. What is the best synonym for "congruent?"
Equal
Large
Closed
Curved
Which of the following polygons is always regular?
A rectangle
A triangle
A hexagon
A square
Two interior angles of a scalene triangle measure 45 and 110 degrees. The third angle measures:
90 degrees
25 degrees
45 degrees
180 degrees
Which of the following is an equilateral triangle?
A
B
C
D
An isosceles triangle has a perimeter of 36 cm. The shortest side measures 6 cm. Each of the longer sides measures:
10 cm
15 cm
18 cm
30 cm
An isosceles triangle has one interior angle that measures 30 degrees. The other two angles are equal. Each one measures:
75 degrees
45 degrees
90 degrees
150 degrees
You can form a right triangle by cutting a _______ in half diagonally.
Octagon
Pentagon
Rectangle
Isosceles triangle
Two interior angles of a right triangle are equal. Each one must measure:
90 degrees
45 degrees
50 degrees
75 degrees
Which of the following statements about scalene triangles is true?
They cannot be right triangles
Their interior angles always have different
measurements
Their interior angles are always acute
Every one has a perimeter of 180 degrees
An acute triangle might have interior angles that measure:
60 degrees, 90 degrees, and 30 degrees
70 degrees, 80 degrees, and 50 degrees
50 degrees, 60 degrees, and 70 degrees
45 degrees, 95 degrees, and 40 degrees
The following triangle can be described as:
A right triangle
An isosceles triangle
An acute triangle
An obtuse triangle
An isosceles triangle can be:
A right triangle
An acute triangle
An obtuse triangle
All of the above
