Problema Solution
a leather coin purse has the shape of a triangle. two sides are equal in length and the third side is 3 centimeters shorter than one and one-half times the length of the equal sides. The perimeter is 28.5 centimeters. Find the lengths of the sides.
Answer provided by our tutors
length of two sides are equal
let the length of these equal sides are = x
then the lenghth of other side = x/2
perimeter of rectangle = 28.5 cm = 2x+ x/2
=> 5x/2 = 28.5
=> x = 59/5 = 11.8cm