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OpenStudy (anonymous):
Triangle PQR is a right triangle. If RQ=8, what is PQ? A. 4 radical 3 B. 16 C. 4 D. 8 radical 3
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OpenStudy (anonymous):
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OpenStudy (anonymous):
Using cos (angle) = Adjacent / Hypotenuse cos 60 = RQ / PQ cos 60 = 8 / PQ PQ = ?????
OpenStudy (anonymous):
B.
OpenStudy (anonymous):
thank you
OpenStudy (anonymous):
Lol Yw.
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OpenStudy (anonymous):
sin(30) = RQ/PQ sin(30) = 8/PQ 1/2 = 8/PQ PQ = 2*8 PQ = 16
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