In the right triangle shown, mZQ= 60' and QR = 2/3. 60 R- 2v3 How long...

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Question

Answer 1

Answer #1

Cos(60)=1/2=(2*root3)/x. This is because of the trigonometric ratio value of 60 degree.

X=4*(3)^0.5 or 4 root3

Answer 2

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