You can put this solution on YOUR website! a triangle has 3 sides 3x7 4x9 5x+6. find the expression that represents this perimeter
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Comment:
Does 3x7 mean 21?
Does 4x9 mean 36?
If so, what do you mean by 5x+6?
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Whatever they mean, add them up to get the perimeter.
Cheers,
Stan H.