Trig Functions Of Acute Angles Worksheet Page 15
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16Ex4: Solving a Problem Involving Angles of Elevation
Sam needs to know the height of a tree. From a given point on the ground, he finds that the
angle of elevation to the top of the tree is 36.7°. He then moves back 50 ft. From the 2nd
point, the angle of elevation to the top of the tree is 22.2°. Find the height of the tree to the
nearest tenth.
B
22.2°
36.7°
C
D
A
x
50
Classroom Ex4: Deana needs to know the height of a building. From a given point on the
ground, he finds that the angle of elevation to the top of the tree is 74.2°. He then moves back
35 ft. From the 2nd point, the angle of elevation to the top of the tree is 51.8°. Find the height
of the building to the nearest foot.
Chapter 2 Page 15
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