Verified Answer :

texaschic101

A = s^2
A = 40

40 = s^2...by taking the square root of both sides, u eliminate the ^2
sqrt 40 = s
6.32 = s <===

The length of a side would be the square root of s (40). The square root of 40 is 6.325 units, which is the length of one side.

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