B) How far does the bicy circle circumfe
wheelchair
(a) the large wheel on Dmitry's wheelchair has a diameter of 57.2 cm.
he pushes the wheel round 10 times
how far does he move?
(b) the large wheel on Olya's wheelchair has a smaller diameter of 52 cm.
her wheelchair has moved forward 17.97m.
how many times has the large wheel gone round?
timepieces