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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.2

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.C.6

Set up proportion. Solve for x.

• 18

• 12

• 6.75

Tags

CCSS.8.EE.B.5

CCSS.8.EE.C.7

Which statement about the triangles at the right is true?

• ΔABC is NOT similar to ΔADF

• ΔABC is similar to ΔADF

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

Are these triangles similar or not?

• Similar

• Not Similar

Tags

CCSS.HSG.SRT.A.2

CCSS.HSG.SRT.A.3

CCSS.HSG.SRT.B.5

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

• 3.75
• 9.75
• 10
• 12

Tags

CCSS.HSG.SRT.A.2

Which triangle congruence postulate is shown?

• SAS

• ASA

• SSS

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

CCSS.HSG.SRT.B.5

How are these triangles congruent?

• HL

• SSA

• AAS

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

CCSS.HSG.SRT.B.5

Which triangle congruence postulate is shown?

• ASA

• HL

• SSS

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

CCSS.HSG.SRT.B.5

Which triangle congruence proves triangle ABC congruent triangle XYZ?

• ASA

• not necessarily congruent, Can't use SSA

• AAA

Tags

CCSS.HSG.CO.B.6

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

CCSS.HSG.SRT.B.5

Congruent by

• SSS

• SAS

• ASA

Tags

CCSS.HSG.CO.B.7

CCSS.HSG.CO.B.8

CCSS.HSG.SRT.B.5