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Asked in PPSC, FPSC and other one-paper exams (compiled from unofficial resources).

Geometry & MensurationTriangles

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

A.$10$ m
B.$20$ mCorrect answer
C.$20\sqrt{3}$ m
D.$40$ m

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Quick fact: The height of the tower is $20$ m.

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