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OpenStudy (anonymous):
hellllllppppppp
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OpenStudy (anonymous):
OpenStudy (anonymous):
is it 4.5 in
OpenStudy (anonymous):
18!
OpenStudy (anonymous):
Hypotenuse (AC) is the largest side in that right triangle. :) Check your math and answer.
OpenStudy (anonymous):
Actually, I made a mistake. It is cos(60). Not sin(60). Sorry.
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OpenStudy (anonymous):
sin(60) would be the opposite side. Not AD.
OpenStudy (anonymous):
So, cos(60) = AD/AC => AC = AD/cos(60).
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