SOLUTION: A square has a 40-cm diagonal. How long is each side of the square? Round your answer to the nearest tenth of a centimeter

Question 256877: A square has a 40-cm diagonal. How long is each side of the square? Round your answer to the nearest tenth of a centimeter
Found 2 solutions by drk, richwmiller:
Answer by drk(1908) (Show Source): You can put this solution on YOUR website!
By Pythagorean theorem, we get

a = b and c = 40, so we get

a ~ 28.3 cm
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
2a^2=40
a^2=20
a=
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