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Instructions: Find the missing side. Round your answer to the nearest tenth. tion х 26° 15 T =

Instructions: Find the missing side. Round your answer to the nearest tenth. tion-example-1

1 Answer

4 votes

Since it is a right triangle we can apply trigonometric functions:

Cos a = adjacent side / hypotenuse

Where:

a = angle = 26

Adjacent side = 15

Hypotenuse = x

Replacing:

Cos 26 = 15 / x

Solve for x:

x = 15 / cos 26

x= 16.7

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