SOLUTION: Find the perimeter of a square to the nearest tenth if the lenght of its diagonal is 12 inches.

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Question 484197: Find the perimeter of a square to the nearest tenth if the lenght of its diagonal is 12 inches.
Answer by jorel1380(3719) About Me  (Show Source):
You can put this solution on YOUR website!
n2+n2=(12)2
2n2=144
n2=72
n=6√2
P=4x6√2=33.94 in.