SOLUTION: Find the measure of angle A to the nearest tenth of a degree. its a 90 degree triangle and the hyp. is 12 the adjacent is 7. i dont know if to use sin or cos? can u help me figure

Algebra ->  Triangles -> SOLUTION: Find the measure of angle A to the nearest tenth of a degree. its a 90 degree triangle and the hyp. is 12 the adjacent is 7. i dont know if to use sin or cos? can u help me figure      Log On


   



Question 246633: Find the measure of angle A to the nearest tenth of a degree.
its a 90 degree triangle and the hyp. is 12 the adjacent is 7. i dont know if to use sin or cos? can u help me figure out this problem?

Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
Find the measure of angle A to the nearest tenth of a degree.
its a 90 degree triangle and the hyp. is 12 the adjacent is 7. i dont know if to use sin or cos? can u help me figure out this problem?
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cos = adj/hyp = 7/12
A = 54.315º