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An escalator lifts people to the second floor of a building, 21 ft above the first floor. The escalator rises at a 30° angle. To the nearest foot, how far does a person travel from the bottom to the top
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An escalator lifts people to the second floor of a building, 21 ft above the first floor. The escalator rises at a 30° angle. To the nearest foot, how far does a person travel from the bottom to the top of the escalator?

An escalator lifts people to the second floor of a building, 21 ft above the first-example-1
User Lidiya
by
9.0k points

1 Answer

4 votes

Answer:

42

Explanation:

Sin 30=21/H

H=21/sin 30

H= 42

User Bedir Yilmaz
by
8.4k points
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