SOLUTION: what is the area of a square if the lenth of the diagonal is 2 radical 2

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
Answer by 8391482(1) (Show Source): You can put this solution on YOUR website!
https://www.icloud.com/keynote/0002DjKVXCYwbfVWuxMtc0hFA#Presentation_7
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