Asked by Derick

The longer side of a triangle is 3 times the shorter side. The third side is 4 inches longer than the shorter. How long is the short side if the perimeter is more than 39 inches?

Answers

Answered by Steve
If the shortest side is x, then we have

x + (x+4) + 3x > 39
5x > 35
x > 7

By the way, <u>longer</u> implies only two items. You want to use <u>longest</u> here, since a triangle has three sides.

Especially, since without knowing the value of x, maybe x+4 is bigger than 3x. The problem should simply have stated 2nd side and 3rd side.
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