Okay, so the area of a circle is found by r^2 x 3.14. The way to find this is our circumference (48) divided by 2 is 24. 24 x 24 is 576. 576 x 3.14 is 1,808.64. Our square is 48 x 48 which is 2,304. 2,304 - 1,808.64 is 495.36 units cut from the square.