SOLUTION: find the length of side c of a triangle if a=15 and side b=20

Algebra ->  Triangles -> SOLUTION: find the length of side c of a triangle if a=15 and side b=20      Log On


   



Question 764291: find the length of side c of a triangle if a=15 and side b=20
Answer by MathLover1(20850) About Me  (Show Source):
You can put this solution on YOUR website!

c%5E2=a%5E2%2Bb%5E2
if a=15 and +b=20, then
c%5E2=15%5E2%2B20%5E2
c%5E2=225%2B400
c%5E2=625
c=sqrt%28625%29
c=25