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3 years ago

12

A 20-foot pole leaning against a wall reaches a point 18 feet above the ground .what is the angle which the pole makes with the

ground to the nearest degree

1 answer:

dlinn [17]3 years ago

3 0

Sinα=h/L

α=arcsin(h/L)° we are told that h=18 and L=20 so

α=arcsin(9/10)°

α≈64° (to nearest whole degree)

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