SOLUTION: solve. A triangular pennant has two sides the same length. the third side is 9in shorter than either of the equal sides. the perimeter of the pennant is 57in. how long is the sh

Question 363256: solve.
A triangular pennant has two sides the same length. the third side is 9in shorter than either of the equal sides. the perimeter of the pennant is 57in. how long is the shortest side?
Found 2 solutions by edjones, JBarnum:
Answer by edjones(8007) (Show Source): You can put this solution on YOUR website!
Let x=a longest side and x-9 shortest side.
x+x+x-9=57
3x=66
x=22
22-9=13" shortest side.
.
Ed
Answer by JBarnum(2146) (Show Source): You can put this solution on YOUR website!
x+x+x-9=57
3x-9=57
3x=66
x=22
22-9=13
22+22+13=57
57=57

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