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The length of a rectangle is 3 times it's width. If the perimeter of the rectangle is 144cm. Find it's area

The length of a rectangle is 3 times it's width. If the perimeter of the rectangle is 144cm. Find it's area
asked 40.3k views
2 votes
The length of a rectangle is 3 times it's width. If the perimeter of the rectangle is 144cm. Find it's area

asked
User Numeri
by
7.9k points

1 Answer

5 votes
let w=width
3w=length
perimeter= w+w+3w+3w=8w=144
w= 18
l=54
area=972
answered
User Matteo Antolini
by
8.4k points
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