SOLUTION: Two legs of a right triangle are x and x+7. If the hypotenuse is 13, then find x.

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Two legs of a right triangle are x and x+7. If the hypotenuse is 13, then find x.      Log On


   

Question 505766: Two legs of a right triangle are x and x+7. If the hypotenuse is 13, then find x.
Answer by solver91311(24713) About Me  (Show Source):
You can put this solution on YOUR website!


Use Pythagoras.





Collect like terms, put the equation into standard quadratic form, and solve.

Remember to discard any negative root since you are solving for a positive measure of length.

John

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