Question

two equal sides of a triangle are each of 4m less than three times the third side.find the dimensions of triangle if its perimeter is 55

Answer 1

two equal sides of a triangle are each 4m less than three times the third side find the dimensions of the triangle if the perimeter is 55m-------------------------------------------------- If the third side is X, then 55=X+2(3X-4) 55=X+6X-8 7X=63 X=9(m) Sides are  9m, 23m, 23m