SOLUTION: a room twice as long as the width. If the area of the room is 72 square feet, what is the perimeter.

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Question 971577: a room twice as long as the width. If the area of the room is 72 square feet, what is the perimeter.
Answer by amarjeeth123(569) About Me  (Show Source):
You can put this solution on YOUR website!
Let the width be x.
Then the length is 2x.
Area=length*width
2x*x=72
2x^2=72
x^2=36
x=6 feet.
The width of the room is 6 feet.
The length of the room is 12 feet.
The perimeter=2(length+width)=2(12+6)=2(18)=36 feet
The perimeter is 36 feet.