Basic Trig(8th Grade) Help please

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I have a right triangle with a 72 degree angle and the adjacent side to that angle is 6, what is the hypotenuse of the triangle?

Guest Feb 1, 2017

edited by Guest Feb 1, 2017
edited by Guest Feb 1, 2017

ElectricPavlov · Answer 1 · 2017-02-01T07:51:22

S-O-H-C-A-H-T-O-A

cosine = adjacent / hypotenuse

cosine(72) = adjacent/hypotenuse

hypotenuse = adjacent/ (cos 72) = 6/cos72 = 19.42