the length of a rectangle is half the width. The perimeter is 86 ft find the width of the rectangle

Answer 1

Length = L Ft.
Width = 2L Ft.
P = 2L + 4L = 86.
L = 14.33 Ft.
2L = 2 * 14.33 = 28.66 Ft = Width.

Answer 2

The length of a rectangle is one inch less than twice its width. The diagonal of the rectangle is two inches more than its length. Find the area of the rectangle