SOLUTION: Find the side of a square whose diagonal is radical of 5cm.

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Question 365855: Find the side of a square whose diagonal is radical of 5cm.
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
Use the Pythagorean theorem,
s%5E2%2Bs%5E2=%28sqrt%285%29%29%5E2
2s%5E2=5
s%5E2=5%2F2
s=sqrt%285%2F2%29
highlight%28s=sqrt%2810%29%2F2%29