jlee209oqve24 jlee209oqve24
  • 01-06-2017
  • Mathematics
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The triangle below has a total perimeter of 450 cm. Write an equation and solve it to find the length of the longest side of the triangle.

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icameforhelp
icameforhelp icameforhelp
  • 01-06-2017
 So you have 2 sides of a triangle known whose perimeter is 450 and you want to know the length of the third side? 

128 + 150 + x = 450 

278 + x = 450 

x = 450 - 278 

x = 172. Makes a heck of a lot more sense to me than 2.15
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