Mathematics

4 January, 01:49

Elliot is standing at the top of a store escalator that leads to the ground floor below. The angle of depression from the top of the escalator to the floor is 42.51 degree, and the escalator is 16 feet long. How far the top of the escalator from the ground floor? Round your answer to the nearest foot.

A. 41 feet

B. 17 feet

C. 12 feet

D. 11 feet

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