Unit 6 Test - Triangle Similarity and Congruence

A road sign casts a shadow that is 4 feet long. At the same time, a 6-foot man standing next to the sign casts a shadow that is 2.4 feet long. How tall is the sign? (Set up proportion and solve for x.)

• 10 ft

• 14.4 ft

• 8.8 ft

• 12ft

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CCSS.HSG.SRT.B.5

Set up proportion. Solve for x.

• 18

• 12

• 6.75

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CCSS.HSG.SRT.A.2

Which statement about the triangles at the right is true?

• ΔABC is NOT similar to ΔADF

• ΔABC is similar to ΔADF

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CCSS.HSG.SRT.A.2

Are these triangles similar or not?

• Similar

• Not Similar

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CCSS.HSG.SRT.A.2

The two right triangles below are similar. What is x, the missing side length in triangle DEF? 

• 3.75
• 9.75
• 10
• 12

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CCSS.HSG.SRT.A.2

Which triangle congruence postulate is shown?

• SAS

• ASA

• SSS

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CCSS.HSG.SRT.B.5

How are these triangles congruent?

• HL

• SSA

• AAS

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CCSS.HSG.SRT.B.5

Which triangle congruence postulate is shown?

• ASA

• HL

• SSS

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CCSS.HSG.SRT.B.5

Which triangle congruence proves triangle ABC congruent triangle XYZ?

• ASA

• not necessarily congruent, Can't use SSA

• AAA

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CCSS.HSG.SRT.B.5

Congruent by

• SSS

• SAS

• ASA

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CCSS.HSG.SRT.B.5