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Worksheets

Similarity and Ratio

Total questions: 10

Worksheet time: 3hrs 30mins

Name
Class
Date
1.

The ratio of the measures of the three angles of a triangle is 14:5:11. Find the measure of the angles.

a)

800, 900, and 300

b)

840, 300, and 660

c)

780, 310, and 710

d)

580, 450, and 770

2.

The ratio of the measures of the sides of a triangle is 9:7:3. If the perimeter of the triangle is 266 inches, find the length of the shortest side.

a)

126 inches

b)

126

c)

42 inches

d)

42

3.

Find the scale factor from triangle B to triangle A.

a)

1/3

b)

3/1

c)

1/2

d)

9/27

4.

If PQR ~ UTV, find the value of x.

a)

x = 12

b)

x = 15

c)

x = 10

d)

x = 20

5.

If GFE ~ CBE, find the value of x.

a)

x = 10

b)

x = 15

c)

x = 6

d)

x = 9

6.

If SDE ~ SWT, find the value of x.

a)

x = 4

b)

x = 15

c)

x = 12

d)

x = 10

7.

Are these triangles similar?

a)

yes, SAS

b)

yes, AA

c)

yes, SSS

d)

no

8.

Are these these triangles similar?

a)

yes, SAS

b)

yes, AA

c)

yes, SSS

d)

no

9.

Are these triangles similar?

a)

yes, SAS

b)

yes, AA

c)

yes, SSS

d)

no

10.

Are these triangles similar?

a)

yes, SAS

b)

yes, AA

c)

yes, SSS

d)

no