SOLUTION: the lenghts of the sides of a triangle are consecutive odd numbers. What is the length of the longest side if the perimeter is 45?

Question 152233: the lenghts of the sides of a triangle are consecutive odd numbers. What is the length of the longest side if the perimeter is 45?
Answer by nerdybill(7384) (Show Source): You can put this solution on YOUR website!
Of course, the sum of the three sides of a triangle is equal to the perimeter.
.
Let x = one side of the triangle
x+2 = second side
x+4 = third side
.
x + x+2 + x+4 = 45
3x + 6 = 45
3x = 39
x = 13
.
So, the longest side is:
x+4 = 17

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