Geometry Ch 11 - Similar Figures

Are the triangles similar?

• Yes - all corresponding angles are congruent.

• No - the side lengths are not congruent.

Are the triangles similar?

• Yes - <B is congruent to <E

• No - <C is not congruent to <D

Are the following similar? Why or why not?

• Yes - they are the same shape.

• No - the ratios of the corresponding sides are not equal.

In similar Polygons, corresponding sides are ___ and corresponding angles are ___. (Fill in the blanks)

• congruent, proportional

• proportional, congruent

• congruent, congruent

• proportional, proportional

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

The triangles are similar, solve for the question mark.

• 8

• 12.5

• 18

• 24

Tags

CCSS.HSG.SRT.A.2

Find the height of the tree.

• 6 ft

• 12 ft

• 13 ft

• 15 ft

Solve for X.

• 2 ft
• 3 ft
• 4 ft
• 6 ft

Tags

CCSS.HSG.SRT.A.2

A photo is 12 in. wide by 18 in. tall. If the width is scaled down to 9 inches, how tall should the similar photo be?

• 15 in

• 24 in

• 13.5 in

• 6 in

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

• 3.75

• 9.75

• 17.3

• 12

Gwen scans a photo that is 4 in. wide by 6 in. tall into her computer. If she scales the height down to 3 in., how wide should the similar photo be?

• 3 in

• 2 in.

• 4 in

• 8 in