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OpenStudy (anonymous):
A board leans against the side of a house and makes an angle of 70° with the ground at a point 6 feet from the base of the house. How long is the board? Round your answer to the nearest tenth of a foot.
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OpenStudy (curry):
2 ft
OpenStudy (anonymous):
Setup the problem: tan(70) = x/6 6tan(70)=x x=16.5ft
OpenStudy (anonymous):
2ft would be a very low angle.
OpenStudy (curry):
wait it wouldn't be tan
OpenStudy (curry):
it would be cos
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