In this triangle, what is the value of x? Enter your answer, rounded to the nearest tenth, in the box. x =

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1 Answer
Kalyanam S.
May 19, 2018

color(green)(x = cos ^-1 (1/3) = 70.53^@

Explanation:

From figure, cos c = (adj side) / (hypotenuse)

:. cos x = 28 / 72 = 1/3

color(green)(x = cos ^-1 (1/3) = 70.53^@

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