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Solving right triangle find the missing side. round to the nearest tenth

Solving right triangle find the missing side. round to the nearest tenth-example-1

1 Answer

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Apply trigonometric functions:

Cos a = adjacent side / hypotenuse

Where:

a = angle = 59°

adjacent side = 34

Hypotenuse = x

Replacing:

Cos 59 = 34 / x

Solve for x:

x = 34 / cos 59

x = 66

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