Geometry question

Question

dominic cute out the largest possible circle from his 2ft by 2ft piece of art paper. What percentage of the paper is left over after removing the circle

Answer 1

The area of the art paper is 2 * 2 = 4 square feet

The radius (R) of the inscribed circle is half the length of the side of the square = 1

So area of the circle is PI * R^2 = 3.14 square feet

Area of paper left over = Area of square - area of circle = 0.86 square feet

Percentage = 0.86/4 * 100 = 21.5%