kelizjahm kelizjahm
  • 14-12-2017
  • Mathematics
contestada

the perimeter of a triangle is 91 centimeters if two sides are equally long and the third side is 7 centimeters longer than others find the lengths of the three sides

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tynollette tynollette
  • 14-12-2017
x+x+(x+7)=91
3x=84
x=28
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