Question

An isosceles triangle has two sides of equal

length. The third side is 5 less than twice the
length of one of the other sides. If the perimeter of
the triangle is 23 cm, what is the length of the third
side?

Answer 1

the third side is 9

Explanation:

if the triangle is 23cm and two sides are equal you need to determine the two sides with would be 7 and 7 then double one side which is 14 and the third side being 9 is 5 less then twice one side