Applications of Similar Triangles

• 5
• 10
• 12
• 15

• 20
• 30
• 25
• 23

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

• 15
• 13
• 11
• 17

• 8
• 9.5
• 10
• 10.5

If a 42.9 ft tall statue casts a 253.1 ft long shadow then how long is the shadow that a 6.2 ft tall man casts?

• 41.7 ft
• 36.6 ft
• 34.6 ft
• 38.8 ft

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

• 4 ft
• 2 ft
• 8 ft
• 6ft

A power pole 10 m tall casts a shadow 8 meters long, at the same time that a building nearby casts a shadow 14 m long.  How tall is the building?

• 9 m
• 15.2 m
• 12 m
• 17.5 m

• 74
• 100
• 104
• 108

Read the problem and find the missing measurement.  Use labels or pictures to help set up the problem.
A home's height is 40 ft. and casts a shadow that is 12 ft..  A car in the driveway is 10 ft. high.  How long is the car's shadow?

• x = 3 ft.
• x = 12 ft.
• x = 120 ft.
• none of the above