SOLUTION: I understand that the pythagorean theoram is a2+b2=c2. What I don not understand is why or when we change the problem to c=square root of a2 + b2. Thanks for the explanation.

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Question 558624: I understand that the pythagorean theoram is a2+b2=c2. What I don not understand is why or when we change the problem to c=square root of a2 + b2.
Thanks for the explanation.
Roy
Found 2 solutions by Alan3354, purple panda:
Answer by Alan3354(69443) About Me  (Show Source):
You can put this solution on YOUR website!
I understand that the pythagorean theoram is a2+b2=c2. What I don not understand is why or when we change the problem to c=square root of a2 + b2.
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c%5E2+=+a%5E2+%2B+b%5E2
Take the sqrt of both sides:
c+=+sqrt%28a%5E2+%2B+b%5E2%29

Answer by purple panda(4) About Me  (Show Source):
You can put this solution on YOUR website!
I think it's to make things easier to understand.
A lot of times in tests you want to understand.
(sorry if not Helpful)