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Dilations Perimeter and Area

Authored by Anthony Clark

Mathematics

8th Grade

CCSS covered

Dilations Perimeter and Area
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13 questions

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1.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

The perimeter of the new rectangle will be the same as the perimeter of the original rectangle.
The perimeter of the new rectangle will be 2.5 times as large as the perimeter of the original rectangle.
The perimeter of the new rectangle will be 5 times as large as the perimeter of the original rectangle.

Tags

CCSS.7.G.A.1

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

If the shape is dilated by a scale factor 1/2. What is the new area?

77

38.5

12.56

9.625

Tags

CCSS.7.G.A.1

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

If the shape is dilated by a scale factor of 6. What is the new perimeter?

40

240

60

360

Tags

CCSS.7.G.A.1

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

If the scale factor is 4, what is the measurement of x?

20 m

24 m

16 m

4 m

Tags

CCSS.7.G.A.1

5.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a shape is dilated by a scale factor of one-half, what is the resulting perimeter? 

The same as the perimeter of the preimage

The new perimeter is bigger than the preimage

The new perimeter is smaller than the preimage

The new perimeter is 4 times the original

Tags

CCSS.8.G.A.3

6.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If a rectangle has an area of 48 cm2, what would be the area of   a similar rectangle if the dimensions are doubled?

96 cm2

192 cm2

216 cm2

2304 cm2

Tags

CCSS.7.G.A.1

7.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Solve the proportion.

k=5

k=3.3333333

k=60

k=90

Tags

CCSS.7.G.A.1

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