A right triangle's hypotenuse is 20cm long. What is the length of the side opposite a 60 degree angle? Give your answer to the nearest tenth of a centimeter.

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asked Mar 25, 2018 151k views

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Maritess · Answer 1 · 2018-03-30T02:40:08+0000

Since you are dealing with hypotenuse and opposites, you need to use sine.

sin = (opposite)/(hypotenuse)

sin(60) = (opposite)/20
sin(60) * 20 = 17.3

The length of the opposite side is approximately 17.3 centimeters

A right triangle's hypotenuse is 20cm long. What is the length of the side opposite a 60 degree angle? Give your answer to the nearest tenth of a centimeter.

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