Problema Solution
the equal sides of the isosceles triangle is 4-inches longer than the base. if the perimeter of a triangle is 23-inches, find the length of its base.
Answer provided by our tutors
let base be x inch, and each equal side be x+4
perimeter = 23
x+x+4+x+4 = 23
3x = 15
x = 5
base = 5 inch