43. In the figure below, points E, F, G, and H are on the sides of square ABCD. Arc has center at A, at B, at C, and at D. All of the arcs have a radius of 3 feet. What is the area, in square feet, of the shaded region?

Answer and Explanation

Your Answer is

Correct Answer is E

Explanation

Four sectors can be put together to form a circle with a radius of 3. The area of ​​the circle is 9π, and the area of ​​the square is 6×6=36. The area of ​​the shaded part can be obtained by subtracting them.