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OpenStudy (anonymous):
The length of the shadow of a building is 90 meters, as shown below: The shadow of a building is 90 meters long. The acute angle that the shadow makes with the line joining the tip of the building to the end of the shadow measures 30 degrees. What is the height of the building?
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OpenStudy (perl):
|dw:1423096736143:dw|
OpenStudy (perl):
you can use trigonometry to find x , the height of the building. tan (30 degrees) = x / 90
OpenStudy (jdoe0001):
got picture? otherwise, use perl's
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