SOLUTION: The perimeter of a parallelogram is 54 centimeters. The ratio of the lengths of the sides is 2:7. What are the lengths of the sides?
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Question 288770: The perimeter of a parallelogram is 54 centimeters. The ratio of the lengths of the sides is 2:7. What are the lengths of the sides?
Answer by richwmiller(17219) (Show Source): You can put this solution on YOUR website!
2+7=9
9 parts
2w+2l=54
2(w+l)=54
w+l=27
27/9=3
2*3=6
7*3=21
6/21=2/7
6 cm and 21 cm are the lengths.
check
6+6=12
21+21=42
12+42=54
ok
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