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Geometry Scale Factor Practice

Authored by Barbara White

Mathematics

7th - 8th Grade

CCSS covered

Geometry Scale Factor Practice
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20 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

3.75
9.75
10
12

Tags

CCSS.HSG.SRT.A.2

2.

MULTIPLE CHOICE QUESTION

45 sec • 1 pt

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

Congruent
Vertical
Similar
Complementary 

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

3.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

A triangle has sizes measuring 11 cm, 16 cm, and 16 cm. A similar triangle has sides measuring x cm, 24 cm, and 24 cm. What is x?

x = 19 cm
x = 24 cm
x = 3 cm
x = 16.5 cm

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

All angles in similar figures are congruent.  

True
False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

Find missing side

5
7
9
11

Tags

CCSS.HSG.SRT.A.2

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Media Image

The pair of figures is similar. Find the missing side.

x = 9
x = 28
x = 7
x = 63

Tags

CCSS.HSG.SRT.A.2

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the perimeter of the large triangle.

24
36
12
54

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