Unit 8 test corrections: Proportionality in geometry

The triangles are similar, solve for the question mark.

• 8
• 12.5
• 18
• 24

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CCSS.HSG.SRT.A.2

Complete each proportion.
CB / DM  =  AC / ?

• BM
• MA
• BC
• AD

Tags

CCSS.HSG.SRT.A.2

Complete each proportion.
AB / BM  =  ? / CD

• BC
• AC
• MD
• MC

Tags

CCSS.HSG.SRT.A.2

Solve for f.

• 6
• 4
• 3
• 8

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CCSS.HSG.CO.C.9

Find side length X.

• 22.5
• 10
• 9
• 7.5

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CCSS.HSG.SRT.A.2

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

• x = 9
• x = 28
• x = 7
• x = 63

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CCSS.HSG.SRT.A.2

• A
• B
• C
• D

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CCSS.HSG.SRT.A.2

The two rectangles are scale drawings. What is the measurement of x?

• 21

• 1.25

• 20

• 4

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CCSS.7.G.A.1

• 12

• 14

• 16

• 18

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CCSS.7.G.A.1

CCSS.7.RP.A.2

CCSS.7.RP.A.3

Tell whether the two figures are similar. Explain your reasoning.

• Yes, similar because they are the same shape and side lengths are proportional.
• No, not similar because they are the same shape, but side lengths are not proportional.
• Yes, same shape
• No, different sizes

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6