SOLUTION: the lengths of the sides of a triangle are 2x+5, 3x+10, and x+12. Find the values of x that make the triangle isoceles.

Algebra ->  Geometry-proofs -> SOLUTION: the lengths of the sides of a triangle are 2x+5, 3x+10, and x+12. Find the values of x that make the triangle isoceles.      Log On


   

Question 173520This question is from textbook geometry
: the lengths of the sides of a triangle are 2x+5, 3x+10, and x+12. Find the values of x that make the triangle isoceles. This question is from textbook geometry

Answer by checkley77(12844) About Me  (Show Source):
You can put this solution on YOUR website!
2x+5=3x+10
-x=5
x=-5 not the 2 equal sides.
2x+5=x=12
x=12-5
x=7 equal sides when x=7.
3x+10=x+12
3x-x=12-10
2x=2
x=1 equal sides when x=1.