SOLUTION: In the right triangle, find the length of the side not given a=7, b=9

Algebra ->  Triangles -> SOLUTION: In the right triangle, find the length of the side not given a=7, b=9      Log On


   

Question 484210: In the right triangle, find the length of the side not given
a=7, b=9
Answer by cleomenius(959) About Me  (Show Source):
You can put this solution on YOUR website!
I don't know if c should be a side or the hypotenuse,
If it should be a side:
a*2 + c^2 = b*2
7^2 + c^2 = 81
49 + c^2 = 81
c^2 = sqrt%2832%29
c = 2sqrt%282%29
If it's a hypotenuse
a^2 + b^2 = c^2
7^2 + 9^2 = sqrt%28130%29
c = sqrt%28130%29