Question

One side of an isosceles triangle is 15 cm shorter than the other 2 sides. The perimeter is 120 cm. How long are the sides of the triangle?

Answer 1

S = length of the short side in cm. Since the triangle has three sides:

S + (S + 15) + (S + 15) = 120

Solve for S.

I hope this helps. Thanks for asking

Answer 2

52.5

Answer 3

47.5

Answer 4

47.5