Question

If a wheel covers a distance of 440 m in 20 rotations. Then the diameter of wheel

Answer 1

440 m in 20 rotations so in one rotations it will cover 440/20=22m

So circumference is 22m.

22=2*22/7*r

22*7/2*22=r

7/2=r

r=3.5m therefore d=2*r=2*3.5=7.0m