Scale Factor to Find Length

What is the scale factor?

• You are multiplying each side by 3

• You are multiplying each side by 2

• You are multiplying each side by 5

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CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

What is the scale factor used to go from small fry to large fry?

• You are multiplying each side by 1

• You are multiplying each side by 2

• You are multiplying each side by 3

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CCSS.7.G.A.1

What is the scale factor? you will end up with a fraction

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CCSS.7.G.A.1

Calculate the scale factor of enlargement.

(Use the top lengths)

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CCSS.7.G.A.1

• True

• False

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CCSS.8.G.A.4

CCSS.HSG.SRT.A.2

What is the Scale factor?

• 2

• 1

• 3

• 4

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CCSS.HSG.CO.A.2

Find the length of x

• x = 1

• x = 2

• x = 7

• x = 1/7

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CCSS.HSG.SRT.A.2

Triangle ABC and XYZ are similar.  Use your knowledge of scale factor to find the length of X.

• 20
• 25
• 100
• 40

Find missing side

• 5
• 7
• 9
• 11

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CCSS.HSG.SRT.A.2

What is the scale factor of these similar shapes?

• 10
• 7
• 9
• 11

Tags

CCSS.7.G.A.1