Similar Figures and Ratio

These two triangles are similar to each other. What is measure is angle Y?

Mathematical Equivalence

ON

Tags

CCSS.HSG.SRT.A.2

All angles in similar figures are congruent.  

• True

• False

Tags

CCSS.8.G.A.2

CCSS.HSG.CO.B.6

Complete each proportion.
CB / DM  =  AC / ?

• BM

• MA

• BC

• AD

Tags

CCSS.HSG.SRT.B.4

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

Review the picture.  Find the missing side measurement in the picture using a proportion.

• w = 18 m

• w = 6 m

• 6 m

• w = 0.16 m

Tags

CCSS.HSG.SRT.A.2

To find the height of a very tall pine tree, you place a mirror on the ground and stand where you can see the top of the pine tree.  How tall is the tree?

• 144 feet

• 72 feet

• 36 feet

Tags

CCSS.HSG.SRT.B.5

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

• 1 in

Tags

CCSS.7.G.A.1

A rectangular garden is 45 ft wide and 70 ft long. On a blueprint, the width is 9 in. Identify the length on the blueprint. 

• 7 in

• 9 in

• 12 in

• 14 in

Tags

CCSS.7.G.A.1

Find the missing area. 

• 0

• 12

• 24

• 30

Find the missing area.

• 15

• 20

• 25

• 30