The diagonal of a square is . Find the perimeter of the square.

The track at Frederick Douglass High School is a perfect square of with diagonal 400 feet, and is shown in the above figure. Julia wants to run around the track for one mile. If Julia starts at point A and runs clockwise, where will she be after she has run for a mile?

A hint:

The track at Harriet Beecher Stowe High School is a perfect square of with diagonal 600 feet, and is shown in the above figure. Beginning at point A, Corinne runs around the track clockwise three complete times, then contunes to run until she reaches point B. Which of the following comes closest to the distance Corinne runs?

You will need to know that .

The length of each side of the square is . What is the perimeter of the square?

The area of a square is . What is the perimeter of the square?

A square has a diagonal length of units. What is its perimeter?

The sidelength of a square is equal to . Give its perimeter in terms of .

The perimeter of a square is equal to 64 meters. Give the length of each side in centimeters.

Half of the side length of a square is equal to .

Give its perimeter in terms of .

The side length of a square is equal to . What is its perimeter in terms of ?