Question 1017344: what is the area of a square if the lenth of the diagonal is 2 radical 2 Found 2 solutions by LinnW, 8391482:Answer by LinnW(1048) (Show Source):
You can put this solution on YOUR website! Using the Pythagorean theorem
a^2 + b^2 = c^2
Since we have a square,
a^2 + a^2 = c^2
2a^2 = c^2
We are given the diagonal
Substituting this for c
divide each side by 2
Take the square root of each side
a = 2
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