SOLUTION: In a triangle, the middle length side is 3 more than the shortest side, and the longest side is double the middle length side. The perimeter of the triangle is 45 cm. What are the

Algebra ->  Triangles -> SOLUTION: In a triangle, the middle length side is 3 more than the shortest side, and the longest side is double the middle length side. The perimeter of the triangle is 45 cm. What are the       Log On


   



Question 426565: In a triangle, the middle length side is 3 more than the shortest side, and the longest side is double the middle length side. The perimeter of the triangle is 45 cm. What are the lengths of the sides?
Answer by shree840(260) About Me  (Show Source):
You can put this solution on YOUR website!
triangle 3 sides
shortest side =x
middle=x+3
largest =2(x+3)=2x+6
perimeter is sum of all sides=x+x+3+2x+6=45
4x+9=45
4x=36
x=9
sides are 9 9+3=12 2*12=24