SOLUTION: Find the length of side a in the right triangle. If b = 12 and c = 15. I used the equation a^2 + b^2 = c^2 So far the answer that I came up with was a=√81 but I'm not su

Algebra ->  Algebra  -> Triangles -> SOLUTION: Find the length of side a in the right triangle. If b = 12 and c = 15. I used the equation a^2 + b^2 = c^2 So far the answer that I came up with was a=√81 but I'm not su      Log On

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Question 205666: Find the length of side a in the right triangle. If b = 12 and c = 15.
I used the equation a^2 + b^2 = c^2
So far the answer that I came up with was a=√81 but I'm not sure if this is right and I think I have to simplify. Please help.
Thanks!
Answer by Alan3354(21583) About Me  (Show Source):
You can put this solution on YOUR website!
Find the length of side a in the right triangle. If b = 12 and c = 15.
I used the equation a^2 + b^2 = c^2
So far the answer that I came up with was a=√81 but I'm not sure if this is right and I think I have to simplify.
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sqrt(81) is correct.
That's 9.