1. From a point on the ground 12 ft from the base of a flagpole, the angle of elevation of the top of the pole measures 54°. How tall is the flagpole?

Elementary Geometry for College Students
6th Edition
ISBN:9781285195698
Author:Daniel C. Alexander, Geralyn M. Koeberlein
Publisher:Daniel C. Alexander, Geralyn M. Koeberlein
Chapter9: Surfaces And Solids
Section9.3: Cylinders And Cones
Problem 48E
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Solve each problem. Round measures of segments to the nearest whole
number and angles to the nearest degree.
1. From a point on the ground 12 ft from the base of a flagpole, the angle of
elevation of the top of the pole measures 54°. How tall is the flagpole?
2. From an airplane at an altitude of 1200 m, the angle of depression of a
rock on the ground measures 28°. Find the distance from the plane to the
rock.
3. If a guy wire for a tree is 14 ft long, making 41° angle with the ground,
how far is the base of the tree from the stake anchoring the wire?
4. The angle of depression is measured from the top of a 43-ft tower to a
reference point on the ground. Its value is found to be 63°. How far is the
base of the tower from the point on the ground?
5. From a height of 38 m above the sea level, two ships are sighted due
west. The angle of depression are 53° and 28°. How far apart are the
ships.
Transcribed Image Text:Solve each problem. Round measures of segments to the nearest whole number and angles to the nearest degree. 1. From a point on the ground 12 ft from the base of a flagpole, the angle of elevation of the top of the pole measures 54°. How tall is the flagpole? 2. From an airplane at an altitude of 1200 m, the angle of depression of a rock on the ground measures 28°. Find the distance from the plane to the rock. 3. If a guy wire for a tree is 14 ft long, making 41° angle with the ground, how far is the base of the tree from the stake anchoring the wire? 4. The angle of depression is measured from the top of a 43-ft tower to a reference point on the ground. Its value is found to be 63°. How far is the base of the tower from the point on the ground? 5. From a height of 38 m above the sea level, two ships are sighted due west. The angle of depression are 53° and 28°. How far apart are the ships.
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