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Trigonometry
Question

EXAMPLE \(8\) Solving a Right Triangle A surveyor ...

EXAMPLE \(8\) Solving a Right Triangle A surveyor stands \(115\) feet from the base of the Washington Monument, as shown in Figure \(4.24\) . The surveyor measures the angle of elevation to the top of the monument to be \(78.3 ^ { \circ }\) . How tall is the Washington Monument? 

Answer

72.43 ft.

Solution
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