SOLUTION: the length of a rectangle is 2cm more than four times the width. if the perimeter of the rectangle is 84cm, what are the demensions?
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Question 244662: the length of a rectangle is 2cm more than four times the width. if the perimeter of the rectangle is 84cm, what are the demensions? Answer by richwmiller(17219) (Show Source):
You can put this solution on YOUR website! L=length
W=width
L=2+4w
2L+2W=84
substitute
2(2+4w)+2W=84
4+8W+2W=84
10W=80
W=8
2(8)+2L=84
16+2L=84
2L=68
L=34
check
4(8)+2=34
