In a popular online role playing game , players can create detailed designs for their characters costumes or appearance serenity sets up a website where players can buy and sell these Costumes online 381 visitors purchased no Costume 42 visitors purchased exactly one costume and 7 visitors purchased more than one Cousy one what is the probability

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)