15
28
Twice the (width plus length)
It is 240 feet because 240*120 = 28800 square feet
Width = 16 feet Length = 38 feet
If one side is twice the length of the other and the square footage is 800 I'd say one side is 20 feet and the other is 40.
If the perimeter is 84 feet and the length is twice the width, then the length will be 28 feet and the width will be 14 feet.
lenght=15, width= 10
$45
you make a square twice one behind the other and you'll find yourself with a rectangular prism's.
The length works out as 12 cm and the width works out as 5 cm Check: 2*(12+5) = 34 cm which is the perimeter
Doubling the width of a rectangular rug will affect the perimeter because the total length and width will be doubled. The area will be twice the length times the width.