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
173=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 = 2x3
2x + 2x 3 = 31
4x  3 = 31
4x = 34
x = 8.5
2x  3 = 17 3 = 14
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