Asked by jack

camine has 3 pieces of wire . the lenght 1st wire 5 meters the lenght of second wire is 3 meters less than tice the lenght of third wire . what is the peremeter of the triangle if the wires are connected end to end and the scond 9 meters long
Answered by Steve
if wire 2 is 9, and wire 3 is x, then we have

9 = 2x-3
x = 6

the perimeter is just

5 + 9 + 6 = ?
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