In a group of students, it was decided that a pizza would be divided according to its crust size. Every student wanted 3 inches of crust (measured from the outermost point of the pizza). If the pizza in question had a diameter of 14 inches, what percentage of the pizza was wasted by this manner of cutting the pizza? Round to the nearest hundredth.

Two legs of a right triangle measure 3 and 4, respectively. What is the area of the circle that circumscribes the triangle?

The perimeter of a circle is 36 π. What is the diameter of the circle?

Find the length of the diameter of a circle given the area is .

A circle has an area of . What is its diameter?

Find the diameter given the radius is .

If a circle has an area of , what is the diameter of the circle?

A circle has an area of . What is the diameter of the circle?

What is the diameter of a semi-circle that has an area of ?