SOLUTION: The base of an isosceles triangle is 12 in. less than the length of the equal sides. If the perimeter of the triangle is 39 in., find the length of each of the sides.

Algebra ->  Algebra  -> Customizable Word Problem Solvers  -> Travel -> SOLUTION: The base of an isosceles triangle is 12 in. less than the length of the equal sides. If the perimeter of the triangle is 39 in., find the length of each of the sides.      Log On

Ad: Over 600 Algebra Word Problems at edhelper.com
Ad: Algebra Solved!™: algebra software solves algebra homework problems with step-by-step help!
Ad: Algebrator™ solves your algebra problems and provides step-by-step explanations!

   

Question 72696: The base of an isosceles triangle is 12 in. less than the length of the equal sides. If the perimeter of the triangle is 39 in., find the length of each of the sides.
Answer by checkley75(3666) About Me  (Show Source):
You can put this solution on YOUR website!
B=L-12
L-12+L=L=39
3L=39+12
3L=51
L=51/3
L=17 IN. IS THE LENGTH OF THE SIDES.
BASE=17-5
BASE=12
PROOF
5+17+17=39
39=39