This quarter circle has a radius of 7 centimeters. what is the area of this figure? use 3.14 for pi. enter your answer as a decimal in the box. round your answer to the nearest hundredth. cm² a quarter of a circle with a side length of 7 cm.

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)