The diameter of a bicycle is 60 cm.how many rotations dose it make to cover a distance of 1 km

Question

It is about area of some shapes. It is thw area of a circle with diameter. What refers to the word diameter and the word rotation in the q 

Answer 1

C = pi * d

d in this case is 60 cm.

You'll need to convert the km to cm (1 km = 100000 cm)

Then divide by the C that you found.