SOLUTION: the sides of a parallelogram are in the ratio 2:3. Find the adjacent sides of the parallelogram , if the perimeter of the parallelogram is 20 cm.

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Question 972794: the sides of a parallelogram are in the ratio 2:3. Find the adjacent sides of the parallelogram , if the perimeter of the parallelogram is 20 cm.
Answer by josgarithmetic(39617) About Me  (Show Source):
You can put this solution on YOUR website!
The parallelogram could just as well be a rectangle.
Sides, the adjascent pair, could be 2x and 3x.
2%282x%29%2B2%283x%29=20 accounts for the given perimeter.

4x%2B6x=20
10x=20
x=2

The sides are 4 and 6.