SOLUTION: the width of a rectangle is 8cm shorter than it's length. if the perimeter of the rectangle is 84cm what are it's dimensions
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Question 98668: the width of a rectangle is 8cm shorter than it's length. if the perimeter of the rectangle is 84cm what are it's dimensions Answer by checkley71(8403) (Show Source):
You can put this solution on YOUR website! 2X+2(X-8)=84
2X+2X-16=84
4X=84+16
4X=100
X=100/4
X=25 LENGTH
25-8=17 WIDTH
2*25+2*17=84
50+34=84
84=84
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