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3 years ago

An escalator lifts people to the second floor of a building, 28 ft

Mathematics

1 answer:

Marysya12 [62]3 years ago

4 0

9514 1404 393

Answer:

56 ft

Step-by-step explanation:

The geometry can be modeled by a right triangle with an unknown hypotenuse, and a side opposite the 30° angle that is 28 ft.

sin(30°) = (28 ft)/hypotenuse

hypotenuse = (28 ft)/sin(30°) = 56 ft

The length of the escalator is 56 feet.

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