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OpenStudy (sammietaygreen):
If cos 37° is close to 4/5 , which is closest to the measure of OP? A. 20 cm B. 64 cm C. 80 cm D. 100 cm
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OpenStudy (sammietaygreen):
OpenStudy (anonymous):
set up a proportion and solve for OP
OpenStudy (sammietaygreen):
Okay.. how do I do that? 37/80 = /OP?
OpenStudy (anonymous):
no... cos 37 = 4/5 and cos 37 = adj/hyp, so 4/5 = adj/hyp. what is the adjacent side length? what is the hypotenuese side length? use the proportion to set up the equation and solve for what you need
OpenStudy (mrnood):
|dw:1431201084824:dw| cos 37 is opprox 0.8 what is cos 37 in terms of sides (e.g sin = opp/hyp)
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