Find the length of the diagonal of a square whose side length is .

A circle is inscribed in a square. The diagonal of the square is , what is the area of the circle?

A square is inscribed in a circle. The circle has an area of , what is the ratio of the area of the square to the area of the circle?

A square has a side length of 3, how long is the diagonal of the square?

A square is inscribed in a circle. The area of the square is . What is the circumference of the semicircle ?

Given square FGHI below, solve for the following:

If square represents a grassy area in the middle of your college campus, what is the shortest distance from point to point ?

One side of a square has a length of . What is the length of the diagonal of the square?