SOLUTION: leg of an isosceles right triangle when the hypotenuse is 18 centimeters long?

Algebra ->  Triangles -> SOLUTION: leg of an isosceles right triangle when the hypotenuse is 18 centimeters long?      Log On


   

Question 547794: leg of an isosceles right triangle when the hypotenuse is 18 centimeters long?
Answer by JBarnum(2146) About Me  (Show Source):
You can put this solution on YOUR website!
the legs are the same length as given
so use the formula a%5E2%2Bb%5E2=c%5E2 a=b and c=18
2a%5E2=18%5E2
2a%5E2=324
a%5E2=162
sqrt%28a%5E2%29=sqrt%28162%29
a=sqrt%289%5E2%282%29%29
a=9sqrt%282%29
b=9sqrt%282%29