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Worksheets

Polygon Similarity & Area of Triangle

Total questions: 25

Worksheet time: 13mins

Name
Class
Date
1.

Are the polygons similar?

a)

Yes

b)

No

c)

Its possible

d)

IDK

2.

How many sides does a triangle have?

a)

4

b)

7

c)

9

d)

3

3.

Are the triangles similar?

a)

Yes

b)

No

c)

Somewhat

d)

Not sure

4.

Find the missing side

a)

3

b)

9

c)

10

d)

7

5.

Find the missing side

a)

x = 7

b)

x = 8

c)

x = 10

d)

x = 17

6.

Find the missing side

a)

x= 12

b)

x = 3

c)

x = 7

d)

x = 40

7.

Are the two figures similar?

a)

Yes

b)

No

8.

True or False: similar figures are the same shape and size with corresponding sides and angles. 

a)

True

b)

False

9.

When two figures are congruent, their corresponding sides are....

a)

proportional

b)

similar

c)

congruent

d)

obtuse

10.

When figures are similar, their corresponding angles are....

a)

similar

b)

congruent

c)

proportional

d)

corresponding

11.

When figures are similar, their corresponding sides are.....

a)

congruent

b)

proportional

c)

invisible

d)

horizontal

12.

A proportion is two ratios that are....

a)

similar

b)

equal

c)

opposite

d)

non equal

13.

True or False: If two triangles are similar, then their corresponding sides are congruent.

a)

True

b)

False

14.

Angles that are in the same position in two different figures are called ___ angles.

a)

codependent

b)

corresponding

c)

right

d)

obtuse

15.

If two triangles are similar, then the ratios of the corresponding ​______ are proportional.​

a)

sides

b)

angles

c)

vertices

d)

corners

16.

Angles that are in the same position in two different figures are called _____ angles.

a)

exact

b)

similar

c)

corresponding

d)

proportional

17.

Two objects that are the same shape but not the same size are _______.

a)

corresponding

b)

vertical

c)

complimentary

d)

similar

18.

What is the area of a triangle

a)

A=hb/2

b)

A=bh/2

c)

A=2/hb

d)

A=2/bh

19.

When base and height are given, what formula do you use?

a)

A = 1/2 / base x height

b)

A = base x 1/2 x height

c)

A = 1/2 x height x base

d)

A = height / base x 1/2

20.

How do you find the third side of a triangle when given the area?

a)

a^2 x c^2 = b^2

b)

c^2 + b^2 = a^2

c)

b^2 x a^2 = c^2

d)

a^2 + b^2 = c^2

21.

What is the Pythagorean Therom?

a)

A = h b/2

b)

a^2 + b^2 = c^2

c)

A = 1/2 bh

d)

a^2 x b^2 = c^2

22.

Find the area

a)

area = 1/2 x 6 x 5 = 15

b)

area = 1/2 x 2 x 7 = 14

c)

area = 5 x 5 x 1/2 = 15

d)

area = 6 x 7 x 1/2 = 15

23.

Find the area

a)

A = 280 cm

b)

A = 380 cm

c)

A = 360 cm

d)

A = 260 cm

24.

What is the area of a triangle with base = 2 cm and height = 4 cm?

a)

1/2 × 4 × 2 = 8 cm2

b)

1/2 × 8 × 2 = 16 cm2

c)

1/2 × 4 × 2 = 4 cm2

d)

1/2 × 2 × 2 = 4 cm2

25.

What are the 3 numbers in dimensions?

a)

area, base, height

b)

width, length, area

c)

base, height, angle

d)

length, height, width