Piper is going roller skating when the hands of the clock form a 150° angle. If the hands of the clock form a 60° angle now, in how many hours will Piper go roller skating? A. 3

B. 5

C. 7

D. 9

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)