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OpenStudy (anonymous):
GEOMETRY: HELPS!!!! The picture shows a barn door. What is the length of the support AB? 7 / cos 45 degrees 7 tan 45° 7 / sin 45 degrees 7 cos 45°
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OpenStudy (anonymous):
i think its 7/Cos 45 Degrees
OpenStudy (anonymous):
Should it not be 7/sin45? SohCahToa. Soh is opposite/hypotenuse. Sin45= 7/ab sin45(ab)=7 ab=7/sin45
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