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OpenStudy (anonymous):
Find the length of the base of the following pyramid, given the height of the pyramid is 71 meters and the angle of elevation of the base of the pyramid is 42°. 127 meters 158 meters 191 meters 212 meters
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OpenStudy (anonymous):
OpenStudy (anonymous):
The length of the base is 127 meters.
OpenStudy (triciaal):
let 1/2 the length = x tan 42 = 71/x x = 78.8 length = 2*78.8 = 157.7 rounded = 158
OpenStudy (anonymous):
Thank you @triciaal
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