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Mathematics 20 Online
OpenStudy (anonymous):

A tree that is 100 feet tall casts a shadow that is 150 feet long. Determine the angle at which the rays of the sun hit the ground, to the nearest degree.

OpenStudy (p0sitr0n):

|dw:1418396205120:dw| tanx=100/150 x=arctan(2/3)

OpenStudy (p0sitr0n):

around 21 degree

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