Calling all mountain bikers! So, Im a mountain biker, and all my road biking friends use Strava when they go on their rides, but me and the boys on our mountain bikes dont use Strava. So, my question, for all the other mountain bikers, do you use Strava? Why or why not?

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)