SOLUTION: In an isosceles triangle, the third side is 20% of the length of one of the equal sides. Find the length of each side when the perimeter is 220 ft.

Algebra ->  Triangles -> SOLUTION: In an isosceles triangle, the third side is 20% of the length of one of the equal sides. Find the length of each side when the perimeter is 220 ft.      Log On


   



Question 716758: In an isosceles triangle, the third side is 20% of the length of one of the equal sides. Find the length of each side when the perimeter is 220 ft.
Answer by checkley79(3341) About Me  (Show Source):
You can put this solution on YOUR website!
X+X+.2X=220
2.2X=220
X=220/2.2
X=100 LENGTH OF THE EQUAL SIDES.
PROOF:
100+100+.2*100=220
100+100+20=220
220=220