SOLUTION: The length of the diagonal of a square is 20. What is the length of each side? Write your answer in simplest radical form if necessary.

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Question 1174735: The length of the diagonal of a square is 20. What is the length of each side? Write your answer in simplest radical form if necessary.
Answer by ewatrrr(24785) About Me  (Show Source):
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Hi
The length of the diagonal of a square is 20
  s^2 + s^2 = 20^2      |Pythagorean Theorem
     2s^2 = 400
      s^2 = 200
       s =  10√2 units   (tossing out negative solution for length)

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