What is the greatest perimeter of a rectangle with an area of 39 sq. ft.?

Rectangle A:

- - Length = 20-ft, Width = 10-ft.

- - Area = 200 square ft

- - Perimeter = 60 - ft

Rectangle B:

- - Length = 16-ft, Width = 12.5-ft

- - Area = 200 square ft

- - Perimeter = 57 - ft

Rectangle C:

- - Length = 40-ft, Width = 5-ft

- - Area = 200 square ft

- - Perimeter = 90 - ft

Rectangle D:

- - Length = 50-ft, Width = 4-ft

- - Area = 200 square ft

- - Perimeter = 108 - ft

Rectangle E:

- - Length = 100-ft, Width = 2-ft

- - Area = 200 square ft

- - Perimeter = 204 - ft

Rectangle F:

- - Length = 800-ft, Width = 3 inches

- - Area = 200 square ft

- - Perimeter = 1600-ft 6-in

To find the answer you do 39*4. You multiply by 4 because there are 4 sides.

This will be the biggest number.