wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

Classifying 2D Figures 5.5A

Total questions: 93

Worksheet time: 3hrs 51mins

Name
Class
Date
1.

Match the following triangles with their angle classification.

a)
1.

Right Triangle

b)
2.

Acute Triangle

c)
3.

Obtuse Triangle

2.
What type of angle is this? 
a)
acute
b)
obtuse
c)
right
3.
What type of angle is this? 
a)
acute
b)
obtuse
c)
right
4.
What type of angle is this? 
a)
acute
b)
obtuse
c)
right
5.
What type of lines are these?
a)
intersecting
b)
parallel
c)
perpendicular
d)
obtuse
6.
What type of lines are these?
a)
intersecting
b)
parallel
c)
perpendicular
d)
obtuse
7.
What type of lines are these?
a)
intersecting
b)
parallel
c)
perpendicular
d)
obtuse
8.
a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
9.
When classifying a triangle by its angles, what type of triangle has one right angle? 
a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
10.
When classifying a triangle by its angles, what type of triangle has three acute angles? 
a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
11.
A triangle has angle measurements of 74°, 90°, and 16°. What kind of triangle is it?

a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
12.
A triangle has angle measurements of 163°, 2°, and 15°. What kind of triangle is it?

a)
acute triangle
b)
right triangle
c)
obtuse triangle
d)
none of the above
13.

A __________ has opposite sides equal in length and parallel. It has 4 right angles.

a)

trapezoid

b)

square

c)

rectangle

d)

parallelogram

14.
Name this quadrilateral. 
a)
trapezoid
b)
square
c)
parallelogram
d)
rectangle
15.
Which figure cannot have parallel line segments?
a)
Square
b)
Pentgon
c)
Triangle 
d)
Trapezoid
16.

All trapezoids are parallelograms.

a)

True

b)

False

17.

All rectangles are parallelograms.

a)

True

b)

False

18.
A trapezoid is a quadrilateral
a)
Sometimes
b)
Always
c)
Never
19.

This quadrilateral is a

a)

Parallelogram

b)

Rectangle

c)

Square

d)

Trapezoid

20.

Choose all names that correctly describe this quadrilateral.

a)

Parallelogram

b)

Rectangle

c)

Square

d)

Rhombus

21.

Choose all names that correctly describe this quadrilateral.

a)

Parallelogram

b)

Rectangle

c)

Square

d)

Rhombus

22.

Which of these statements is always correct?

a)

All rhombuses are squares.

b)

All squares are rhombuses.

23.

Choose all names that correctly describe this quadrilateral.

a)

Parallelogram

b)

Rectangle

c)

Square

d)

Rhombus

24.
What type of angle is shown?
a)
acute
b)
obtuse
c)
right
d)
straight
25.
What type of angle is this? 
a)
acute
b)
obtuse
c)
right
d)
big
26.
An angle whose measure is exactly 90 degrees.
a)
acute
b)
vertical
c)
right
d)
straight
27.
How many acute angles must an acute triangle have?
a)
2
b)
1
c)
4
d)
3
28.
a)

acute

b)

obtuse

c)

right

29.
a)

acute

b)

obtuse

c)

right

30.
a)

acute

b)

obtuse

c)

right

31.
a)

equilateral

b)

isosceles

c)

scalene

32.
a)

equilateral

b)

isosceles

c)

scalene

33.
a)

equilateral

b)

isosceles

c)

scalene

34.

A triangle has side lengths of 15 centimeters, 11 centimeters, and 9 centimeters. What kind of triangle is it?

a)

equilateral

b)

isosceles

c)

scalene

35.

A triangle has side lengths of 15 centimeters, 11 centimeters, and 9 centimeters. What kind of triangle is it?

a)

equilateral

b)

isosceles

c)

scalene

36.
Which type of triangle is pictured?
a)
Equilateral Triangle
b)
Right Isosceles Triangle
c)
Obtuse Scalene Triangle
d)
Obtuse Equilateral Triangle
37.
Name this triangle
a)
Acute, Scalene
b)
Obtuse, Scalene
c)
Right, Isosceles
d)
Acute, Equilateral
38.
Classify the following triangle in as many ways as possible. 
a)
Right, Equilateral
b)
Obtuse, Scalene
c)
Obtuse, Equilateral
d)
Right, Scalene
39.

What type of triangle is it?

a)

Equilateral triangle

b)

Isosceles triangle

c)

Scalene triangle

40.
The figures share a characteristic. Which statement best describes these figures?
a)
They are all trapezoids.
b)
They are all rectangles.
c)
They are all squares.
d)
They are all quadrilaterals.
41.
a)
A
b)
B
c)
C
d)
D
42.
Which figure does not belong in any section of the Venn Diagram?
a)
A
b)
B
c)
C
d)
D
43.
Which figure belongs in the section of the Venn diagram labeled "rhombuses"?
a)
A
b)
B
c)
C
d)
D
44.

Which shape is classified correctly?

a)

Shape 1 and Shape 3

b)

Shape 2 and Shape 4

c)

Shape 1, Shape 3, Shape 4

d)

Shape 1, Shape 2, Shape 3

45.
Which triangle is classified as scalene and obtuse?
a)
A
b)
B
c)
C
d)
D
46.

Identify this triangle by its sides

a)

Right

b)

Scalene

c)

Isosceles

d)

Equilateral

47.

Identify the triangle by its sides

a)

Scalene

b)

Isosceles

c)

Equilateral

48.
.
.
.
.
What is the name of this kind of triangle?
a)
Right
b)
Scalene
c)
Isosceles
d)
Equilateral
49.

Which of the following is a quadrilateral with no parallel lines?

a)
b)
c)
d)
50.

Which statement is true about all of the shapes below?

a)

Each shape has four congruent angles.

b)

Each shape has two sets of parallel sides.

c)

Each shape has four congruent sides.

d)

Each shape has at least two right angles.

51.

Select all of the attributes that describe the shape below:

a)

at least one right angle

b)

two acute angles

c)

two pairs of parallel lines

d)

one pair of congruent sides

e)

two obtuse angles

52.

Which type of quadrilateral has only one pair of parallel sides?

a)

Parallelogram

b)

Square

c)

Rectangle

d)

Trapezoid

53.

Which shape is a quadrilateral with equilateral sides and four right angles?

a)

rectangle

b)

square

c)

rhombus

d)

equilateral triangle

54.

Select all of the names that apply to all rhombuses

a)

square

b)

polygon

c)

parallelogram

d)

triangle

e)

quadrilateral

55.

Which shape completes the venn diagram?

a)

square

b)

scalene triangle

c)

Isosceles trapezoid

d)

kite

56.

Select all of the properties that apply to all squares and parallelograms.

a)

2 pairs of parallel sides

b)

2 acute angles and 2 obtuse angles

c)

2 pairs of congruent sides

d)

4 angles

e)

4 right angles

57.

Select all of the shapes that are quadrilaterals.

a)
b)
c)
d)
e)
58.

The Venn diagram below shows how different kind of polygons are related.


In which region of the diagram does a four-sided polygon with exactly two right angles fit best?

a)

Rhombus

b)

Trapezoid

c)

Quadrilateral

d)

Rectangle

59.

Parallelogram

a)

same size, same shape

b)

A quadrilateral with two pairs of parallel sides

c)

more than 90 degrees

d)

A triangle that has 2 equal sides.

60.

quadrilateral

a)

less than 90 degrees

b)

a triangle with no congruent sides

c)

a four-sided polygon

d)

5 sided polygon

61.

right angle

a)

A triangle that has 2 equal sides.

b)

a quadrilateral with only one pair of parallel sides

c)

a triangle with no congruent sides

d)

90 degree angle

62.

acute angle

a)

A closed flat figure with straight lines

b)

a triangle with 3 congruent sides

c)

more than 90 degrees

d)

less than 90 degrees

63.

obtuse angle

a)

more than 90 degrees

b)

A quadrilateral with two pairs of parallel sides

c)

less than 90 degrees

d)

A closed flat figure with straight lines

64.

isosceles triangle

a)

a triangle with no congruent sides

b)

quadrilateral, parallelogram, trapezoid, rectangle, rhombus, square

c)

5 sided polygon

d)

A triangle that has 2 equal sides.

65.

a parallelogram with 4 congruent sides

a)

Rhombus

b)

hexagon

c)

square

d)

congruent

66.

a triangle with no congruent sides

a)

equilateral triangle

b)

isosceles triangle

c)

scalene triangle

d)

obtuse angle

67.

a quadrilateral with only one pair of parallel sides

a)

Parallelogram

b)

octagon

c)

Trapezoid

d)

QPTRRS

68.

a triangle with 3 congruent sides

a)

isosceles triangle

b)

equilateral triangle

c)

square

d)

scalene triangle

69.

A closed flat figure with straight lines is called?

a)

Circle

b)

Polygon

c)

Ellipse

d)

Cylinder

70.

4 equal sides, 4 right angles

a)

square

b)

obtuse angle

c)

parallel lines

d)

octagon

71.
How many acute angles must an acute triangle have?
a)
2
b)
1
c)
4
d)
3
72.

What is this shape?

a)

triangle

b)

circle

c)

quadrilateral

d)

hexagon

73.

What is the name of this shape?

a)

octogon

b)

pentagon

c)

triangle

d)

parallelogram

74.

What is the name of this shape?

a)

rectangle

b)

trapezoid

c)

trapezium

d)

square

75.
What kind of triangle has exactly two congruent sides?
a)
Isosceles
b)
Scalene
c)
Equlilateral
d)
Not here
76.
A triangle has no congruent sides and has angles measuring 90 degrees, 50 degrees and 40 degrees. Which classification is correct?
a)
Scalene Acute
b)
Equilateral Acute
c)
Isosceles Right
d)
Scalene Right
77.
a)

A

b)

B

c)

C

d)

D

78.
A _______________ is a quadrilateral with two sets of parallel sides.
a)
trapezoid
b)
parallelogram
c)
kite
d)
triangle
79.
Which two figures can always be described as quadrilaterals with all sides congruent?
a)
square and rhombus
b)
square and rectangle
c)
rhombus and parallelogram
d)
rectangle and parallelogram
80.
Name that shape. 
a)
square
b)
square
rhombus
c)
quadrilateral
parallelogram
rhombus
d)
quadrilateral
parallelogram
square
81.
Name that shape.
a)
quadrilateral, rectangle
b)
quadrilateral, rectangle, square
c)
quadrilateral, parallelogram, rectangle
d)
quadrilateral, parallelogram, rectangle, square
82.
Name that shape.
a)
quadrilateral, parallelogram
b)
quadrilateral
c)
quadrilateral, kite.
d)
quadrilateral, trapezoid
83.
Which quadrilateral has all right angles and all sides the same length?
a)
Rhombus
b)
Parallelogram
c)
Square
d)
Trapezoid
84.

Which shape is NOT sorted correctly in the graphic organizer?

a)

Circle

b)

Pentagon

c)

Quadrilateral

d)

Triangle

85.

The graphic organizer shown can be used to classify triangles. Which triangle can be classified as scalene?

a)

b)

c)

d)

86.

Quadrilaterals can be classified using the graphic organizer shown.Which term best classifies the shapes that belong in the shaded section of the organizer?

a)

Parallelogram

b)

Polygon

c)

Pentagon

d)

None of these

87.

A student used this graphic organizer to classify different figures. Which figures belong in the part of the organizer labeled “Isosceles triangles”?

a)

Figures II and V only

b)

Figures I, III, and V only

c)

Figures I and III only

d)

Figures II, IV, and V only

88.

Which shapes appear to be classified correctly?

a)

Shapes 1 and 3 only

b)

Shapes 2 and 4

c)

Shapes 1, 2, and 3

d)

Shapes 1,3, and 4

89.

In which table are the check marks placed in all the correct boxes?

a)

b)

c)

d)

90.

Gerard classified shapes based on the types of angles they had. The table shows her classifications. Which shape was not classified correctly?

a)

Shape 4

b)

Shape 5

c)

Shape 7

d)

Shape 9

91.

Nathan built the hanging mobile shown in the picture to show some relationships among shapes. Which shape goes in the empty box in order to complete Nathan’s mobile?

a)

Trapezoid

b)

Rhombus

c)

Triangle

d)

Quadrilateral

92.

In the diagram shown each circle represents a group of polygons. If a polygon belongs in a circle, it also belongs in any larger circle. Which kind of polygon belongs in the shaded circle?

a)

Trapezoids

b)

Squares

c)

Pentagons

d)

Rhombuses

93.

This Venn diagram is being used to classify two types of quadrilaterals. Which type of figure will always belong in the shaded section of this Venn diagram?

a)

Rectangle

b)

Rhombus

c)

Square

d)

Trapezoid

Similar Resources on Wayground

Math CSA 1 Review

94 questions

Math CSA 1 Review

quiz

Worksheet

•

5th Grade

LEAP Review #3

97 questions

LEAP Review #3

quiz

Worksheet

•

5th Grade

Math SOL Review

93 questions

Math SOL Review

quiz

Worksheet

•

4th Grade - University

summer math final review

92 questions

summer math final review

quiz

Worksheet

•

5th - 12th Grade

Charles Quiz

90 questions

Charles Quiz

quiz

Worksheet

•

5th Grade

Basic geometry

93 questions

Basic geometry

quiz

Worksheet

•

5th Grade

grade 5 maths kim

92 questions

grade 5 maths kim

quiz

Worksheet

•

5th Grade

EOG 5th Grade Math Benchmark

88 questions

EOG 5th Grade Math Benchmark

quiz

Worksheet

•

4th - 6th Grade