Posted by **Allen** on Friday, December 10, 2010 at 4:24pm.

two sides of a triangle are equal. The third side is 3 less than the sum of the two equal sides. The perimeter is 31 inches. Find the length of each side

- Math -
**Sarah**, Friday, December 10, 2010 at 4:57pm
one side= 8.5

one side= 8.5

one side = 14

- Math -
**Sarah**, Friday, December 10, 2010 at 4:58pm
The two sides equal 8.5 inches. The third side equals 14 inches.

8.5+8.5=17

17-3=14

14+17=31

- Algebra Process -
**PsyDAG**, Saturday, December 11, 2010 at 10:00am
Let x = length of each of the two sides. Then third side = 2x-3

2x + 2x -3 = 31

4x - 3 = 31

4x = 34

x = 8.5

2x - 3 = 17 -3 = 14

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