SOLUTION: A lumber mill cuts rectangular beams from circular log. If the diameter of the log is 16 inches and the cross-section area of the beam is 120 square inches, find the dimensions of

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Question 1040508: A lumber mill cuts rectangular beams from circular log. If the diameter of the log is 16 inches and the cross-section area of the beam is 120 square inches, find the dimensions of the cross section of the beam correct to one decimal place.
Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!













Let , then



Solve the quadratic in , then substitute back and take the square root to get . The two positive roots will be your dimensions, since the orientation of the rectangle is arbitrary.

John

My calculator said it, I believe it, that settles it
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