SOLUTION: ONE SIDE OF A TRIANGLE IS 10 CENTIMETERS LONGER THAN THE SHORTEST SIDE. THE THIRD SIDE IS 20 CM LONGER THAN THE SHORTEST SIDE. IF THE PERIMETER OF THE TRIANGLE IS 120 CM, WHAT IS

Algebra ->  Customizable Word Problem Solvers  -> Geometry -> SOLUTION: ONE SIDE OF A TRIANGLE IS 10 CENTIMETERS LONGER THAN THE SHORTEST SIDE. THE THIRD SIDE IS 20 CM LONGER THAN THE SHORTEST SIDE. IF THE PERIMETER OF THE TRIANGLE IS 120 CM, WHAT IS       Log On

Ad: Over 600 Algebra Word Problems at edhelper.com


    

Question 877930: ONE SIDE OF A TRIANGLE IS 10 CENTIMETERS LONGER THAN THE SHORTEST SIDE. THE THIRD SIDE IS 20 CM LONGER THAN THE SHORTEST SIDE. IF THE PERIMETER OF THE TRIANGLE IS 120 CM, WHAT IS THE LENGTH OF THE SHORTEST SIDE OF THIS TRIANGLE?
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
shortest side is x.
x+10, x+20, and x, are the side lengths.
x%2Bx%2B10%2Bx%2B20=120
3x%2B30=120
3x=90
x=30
.
...you know...