Geometry
posted by Anna .
A wheel with a radius of 13 rolls along level ground and makes 4 1/2 revolutions per second. Assuming the circumference to be 3.1416 times the diameter, how far does the wheel travel in 8 seconds?

distance= circumference*number rotations
= 3.1416*(2*13)*4.5*8 
3.1416*(2*13)*4.5*8