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Similar Shapes and Scale

Authored by Anthony Clark

Mathematics

7th Grade

CCSS covered

Similar Shapes and Scale
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10 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The cylinders shown are similar. If the volume of the larger cylinder is 562.5 m3, then what is the volume of the smaller cylinder?

288 m3

112.5 m3

450 m3

360 m3

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Find the length of x

x = 1

x = 2

x = 7

x = 1/7

Tags

CCSS.HSG.SRT.A.2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The surface area of a certain prism is 1088 square km and its volume is 13312 cubic km. If a similar solid has a surface area of 425 square km, what is this similar solids volume?

3250 cubic km

5200 cubic km

1950 cubic km

8320 cubic km

Tags

CCSS.7.G.B.6

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the scale factor is less than one, the new figure will be:

an enlargement

a reduction

a scale factor

bigger

Tags

CCSS.8.G.A.3

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If the scale factor is greater than one, the new figure will be:

a reduction

an enlargement

a scale

not proportional

Tags

CCSS.8.G.A.3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

A rectangle has the dimensions 4cm by 5cm. A scale factor of 3 is used to enlarge the rectangle. What is the new area?

20 cm2

60 cm2

180 cm2

100 cm2

Tags

CCSS.7.G.A.1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The volumes of two similar solids are in the ratio 1:8


What is the ratio of the side lengths?

1:2

1:4

1:16

1:64

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