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:
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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