What is the area of the shaded region? A square that is one foot by one foot. It is divided into eight columns and six rows, making forty-eight smaller rectangles. An area that has fifteen smaller rectangles and is three-eighths foot wide and five-sixths foot long is shaded. A. 5/8×5/10
B. 4/10×6/8
C. 3/5×1/2
D. 4/8×4/6
E. 2/5×3/4

Circle a has a diameter of 7 inches, a circumference of 21.98 inches, and an area of 38.465 square inches. the diameter of circle b is 6 inches, the circumference is 18.84 inches, and the area is 28.26 square inches. part a: using the formula for circumference, solve for the value of pi for each circle. (4 points) part b: use the formula for area and solve for the value of pi for each circle. (4 points)