. There is a circular garden in the middle of a square yard. The radius of the circle is 4x. The side length of the yard is 20x.. What is the area of the part o the yard that is not covered by the circle?. . A.) 4x(5). B.) 8x^2(5-{pi}). C.) 16x(25+{pi}. D.) 16x^2(25-{pi})