The width of a rectangle is 1/3 its length, l.

Which expression represents the perimeter of the rectangle?

Answer Choices

1/3l+l

2 (l+1/3l)

4*1/3l

4 (l+1/3l)

Part 2

The perimeter of the rectangle from Part 1 is 56 inches.

What is the area of the rectangle, in square inches?

Question

Mathematics

Harper Mcbride

19 May, 22:53

The width of a rectangle is 1/3 its length, l.

Which expression represents the perimeter of the rectangle?

Answer Choices

1/3l+l

2 (l+1/3l)

4*1/3l

4 (l+1/3l)

Part 2

The perimeter of the rectangle from Part 1 is 56 inches.

What is the area of the rectangle, in square inches?

+3

Answers (1)

Know the Answer?

Hubby · Answer 1

The correct expression for perimeter is 2 (l+1/3l). If you solve this for 56; 2 (l+1/3l) = 56. You find that l = 21. If l = 21, then the width is 7, and Area = l * w, so the area of the rectangle is 147 square inches.

The width of a rectangle is 1/3 its length, l.Which expression represents the perimeter of the rectangle?Answer Choices1/3l+l2 (l+1/3l)4*1/3l4 (l+1/3l)Part 2The perimeter of the rectangle from Part 1 is 56 inches.What is the area of the rectangle, in square inches?

The width of a rectangle is 1/3 its length, l.

Which expression represents the perimeter of the rectangle?

Answer Choices

1/3l+l

2 (l+1/3l)

4*1/3l

4 (l+1/3l)

Part 2

The perimeter of the rectangle from Part 1 is 56 inches.

What is the area of the rectangle, in square inches?