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In this triangle, what is the value of x?

Enter your answer, rounded to the nearest tenth, in the box.

x =_____  km

A right triangle with one leg labeled x and the hypotenuse labeled 64 kilometers. The angle that is between the leg labeled x and the hypotenuse is labeled 27 degrees.

layla01  May 20, 2018
 #1
avatar+31 
-1

A right triangle with one leg labeled 28 feet and the hypotenuse labeled 72 feet. The angle that is between these two labeled sides is labeled x degrees.

In this triangle, what is the value of x?

Enter your answer, rounded to the nearest tenth, in the box.

x = _______.

layla01  May 20, 2018
 #3
avatar
+1

Cos(x) = 28 / 72

Cos(x) =0.38888...

x = arccos(0.38888.....)

x =~67.1

Why did you post your question in the "Answers Section"?

Guest May 20, 2018
edited by Guest  May 20, 2018
 #2
avatar
+1

Cos(28) = x / 64

0.8829476 = x / 64         cross multiply

x = 64 x 0.8829476

x =~56.5

Guest May 20, 2018

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