Ch 8 Test Review (BIM)

1. Decide if the triangles are similar and, if so, give the scale factor.

• Yes, 1/3

• Yes, 3/7

• Yes, 3/5

• Not Similar

1. Decide if the shapes are similar. If so, give the scale factor.

• Yes, 1/8

• Yes, 1/2

• Yes, 1/4

• Not Simlar

1. Decide if the triangles are similar. If so, what theorem did you use? (AA~, SSS~, or SAS~)

• Yes, AA~

• Yes, SSS~

• Yes, SAS~

• Not Similar

1. Decide if the triangles are similar. If so, what theorem did you use? (AA~, SSS~, or SAS~)

• Yes, AA~

• Yes, SSS~

• Yes, SAS~

• Not Similar

1. ∆BKY ~ ∆TZY, find KY.

• 81

• 64

• 25

• 52

1. ∆ABC ~ ∆KJL, find x.

• 7

• 8

• 3

• 4

A person is 6’3”. How tall are they in inches?

• 6.3 feet

• 75 inches

• 63 inches

• 72 inches

1. A flagpole that is 28 feet tall casts a 15-foot shadow. At the same time, a nearby tree casts a 21-foot shadow. Find the height of the tree.

• 11.25

• 39.2

• 20

• 28.4

1. Find x.

• 7

• 2

• 10

• 14

Use ratios to determine if lines MN and JL are parallel.

• Yes, 0.71

• Yes, 154

• Yes, 5/7

• Not Parallel