SOLUTION: Find the dimensions of a rectangle with a perimeter of 34 cm if the length is 4 cm less than two times the width
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Question 323042: Find the dimensions of a rectangle with a perimeter of 34 cm if the length is 4 cm less than two times the width Answer by checkley77(12844) (Show Source):
You can put this solution on YOUR website! P=2L+2W
L=2W-4
34=2(2W-4)+2W
34=4W-8+2W
34=6W-8
6W=34+8
6W=42
W=42/6
W=7 cm. for the width
L=2*7-4
L=14-4
L=10 cm. for the length.
PROOF:
34=2*10+2*7
34=20+14
34=34
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