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

## Answer this Question

## Related Questions

- Algebra II - Two sides of a triangle are equal in length. The length of the ...
- geometry - Two sides of a triangle are equal. The third side is 5 inches longer ...
- geometry - The perimeter of a triangle is equal to 12 inches. The length of the ...
- Alegaba 2 - Two sides of a triangles are equal in length. the length of the ...
- algebra - Two sides of a triangle have equal length. The third side is seven ...
- math - A triangle has two sides with equal length and a third side 16 meters ...
- Algebra - The perimeter of an equilateral triangle is 7 in. more than the ...
- maths - 2 equal sides of a triangle are 4m less than 3 times the third side find...
- IRSC - the sum of the lengths of any two sides of a triangle must be greater ...
- Math - The sum of the lengths of any two sides of a triangle must be greater ...

More Related Questions