SOLUTION: if the hypotenuse of a right triangle is seven and one of the legs is the square root of 13 then what is x?

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Question 313763: if the hypotenuse of a right triangle is seven and one of the legs is the square root of 13 then what is x?
Answer by unlockmath(1688) About Me  (Show Source):
You can put this solution on YOUR website!
Hello,
Use Pythagorean Formula to solve this which is a^2+b^2=c^2 where c is the hypotenuse. Plug in the numbers to get:
x^2+sq rt 13^2=7^2 Rewritten as:
x^2+13=49 Subtract 13 from both sides to get:
x^2=36 Sq rt both sides to get"
x=6
There we go. One side is 6.
Make sense?
RJ
www.math-unlock.com