SOLUTION: please help me solve this, its a triangle with a hypotenuse of 12, leg a is x and leg b is (x+5)

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: please help me solve this, its a triangle with a hypotenuse of 12, leg a is x and leg b is (x+5)      Log On


   

Question 285066: please help me solve this, its a triangle with a hypotenuse of 12, leg a is x and leg b is (x+5)
Answer by scott8148(6628) About Me  (Show Source):
You can put this solution on YOUR website!
x^2 + (x + 5)^2 = 12^2

2x^2 + 10x + 25 = 144 ___ 2x^2 + 10x - 119 = 0

use the quadratic formula to find x



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x = 5.61 (approx)