Geometry
Quiz 8.5
Name ___________________________
1. Multiple Choice. A person is in a lighthouse 225 ft above sea level. She see a ship in the harbor. The angle of depression
from her position to the ship is 48o. Which equation can she use to find the distance from the ship to the shore?
A) tan 48o =
225
x
B) tan 48o =
x
225
C) tan 225o =
x
48
D) tan 225o =
48
x
2. Suppose the angle of elevation from a rowboat to the light
of a lighthouse is 35o. You know that the lighthouse is 96 ft
tall. How far from the lighthouse is the rowboat?
3. A pilot is flying a plane 20,000 ft above the ground. The
pilot begins a 2o descent to an airport runway How far is
the airplane from the start of the runway?
4. A tree casts a shadow that is 20 ft long. The angle of elevation of the sun is 29°. How tall is the tree?
5.
A 100-foot kite string makes a 35° angle of elevation to the kite. How high is the kite?