PPSC Past Papers Punjab Enforcement and Regulatory Authority, | By

The angle of elevation of the top of a tower from a point 20 m away from its base is 45°. What is the height of the tower?

A. 10 m
B. 20 m
C. 30 m
D. 40 m
Correct Answer: B. 20 m
Explanation: tan(45°) = height/distance = 1 → height = 20 m.

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