Scale Factor Review

• 8 ft
• 9 ft
• 12 ft
• 21 ft

Tags

CCSS.7.G.A.1

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

• x = 9

• x = 4

• x = 13

• x = 36

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CCSS.HSG.SRT.A.2

What is the scale factor used from the figure on the left to the figure on the right? 

• 0.9

• 0.4

• 0.6

• 1.4

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CCSS.7.G.A.1

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

Mathematical Equivalence

ON

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CCSS.8.G.A.3

In the figure above, a dilation from A to A' has occurred. What is the scale factor?

scale factor = _______

Mathematical Equivalence

ON

Tags

CCSS.8.G.A.3

If a Scale Factor is between 0 and 1, then your figure gets...

• Smaller

•  Bigger

• Does not change

Tags

CCSS.8.G.A.3

If a Scale Factor if greater than 1, then your figure gets...

• Smaller

• Bigger

• Does not change

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CCSS.8.G.A.3

Are the following similar? Why or why not?

• Yes

• No, the corresponding angles are not equal.

• No, the ratios of the corresponding sides are not equal.

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CCSS.HSG.SRT.A.2

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

• x = 20

• x = 12

• x = 5

• x = 4

Tags

CCSS.HSG.SRT.A.2

A rectangle has a perimeter of 15 inches. An image is created with a scale factor of 2. What is the new perimeter?

• 17

• 60

• 30

• 15

Tags

CCSS.7.G.A.1