At a local carnival, alicia is selling has she creates herself. each hat costs her $5 to make and she sells them for $10 each. alicia had to pay a $25 fee to set up a booth to sell her hats at the carnival.

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)