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The perimeter of a triangle is 42 feet. One side of the triangle is one foot longer than the second side. The third side is five feet longer than the second side. Find the lengths of all three sides (in feet). (Enter your answers as a comma-separated list.)

 Feb 6, 2020
 #1
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x = short side

 

x + 1   = second  side

 

(x+1) + 5 = third side          all three sides added together = 42              solve for x = short side     

 

 

Then x+ 1 = second side

   then    (x+1) + 5 = third side   

 Feb 6, 2020

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