J Joan New member Feb 2, 2011 #1 ride a bike once around the city block and count number of times front tire rotates. perimeter is 1540ft, 520ft width, 250ft length, and the wheel rotates 200 times use 22/7 for pi.
ride a bike once around the city block and count number of times front tire rotates. perimeter is 1540ft, 520ft width, 250ft length, and the wheel rotates 200 times use 22/7 for pi.