SOLUTION: how to find the area of a square if the diagonal is 10 centimeters

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Question 398330: how to find the area of a square if the diagonal is 10 centimeters
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
If the diagonal is 10 cm long, then the edge must be 10%2Fsqrt%282%29 cm long. Then the area is %2810%2Fsqrt%282%29%29%5E2+=+100%2F2+=+50 sq.cm large.