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3 years ago

The length of a rectangle exceeds three times its width by 9 if the perimeter is 66 find the width of the rectangle?

1 answer:

4 0

Answer: 6
Step by step:
W is width, l is length, p is perimeter
The perimeter of a rectangle is 2w+2l.
l=3w+9
2l=6w+18
2l+2w=8w+18
P=8w+18
66=8w+18
48=8w
W=6
Hope this helps.

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