Similarity Ratios

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

x=

• 3

• 1.5

• 8

• 2/3

Tags

CCSS.HSG.SRT.A.2

Find the missing length.

• 21

• 18

• 16

• 24

Tags

CCSS.HSG.CO.C.9

A telephone booth that is 8ft tall casts a shadow that is 4ft long. Find the height of a lawn gnome that casts a 2ft shadow.

• 2 ft

• 4 ft

• 6 ft

• 8 ft

Tags

CCSS.HSG.SRT.B.4

What side corresponds with DE?

• CA

• AB

• EC

• BA

Tags

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

Tags

CCSS.HSG.SRT.A.2

Solve for X.

• 2 ft

• 3 ft

• 4 ft

• 6 ft

Tags

CCSS.HSG.SRT.A.2

What is the scale factor?

• 4

• 25

• 5

• 6

Tags

CCSS.7.G.A.1

Find missing side

• 5

• 7

• 9

• 11

Tags

CCSS.HSG.SRT.A.2

Determine whether the triangles are similar.

• SSS~

• AA~

• SAS~

• not similar

Tags

CCSS.HSG.SRT.B.5