SOLUTION: The perimeter of a triangle is 48 inches and the sides are in the ratio of 3:4:5. Find the length of the longest side. 4 9 16 20

Algebra ->  Triangles -> SOLUTION: The perimeter of a triangle is 48 inches and the sides are in the ratio of 3:4:5. Find the length of the longest side. 4 9 16 20      Log On


   



Question 381689: The perimeter of a triangle is 48 inches and the sides are in the ratio of 3:4:5. Find the length of the longest side.
4
9
16
20

Answer by rfer(16322) About Me  (Show Source):
You can put this solution on YOUR website!
3x+4x+5x=48
12x=48
x=4
3x=12
4x=16
5x=20