Question

The radius of a wheel is 14 dm. How many times does itrevolve during a journey of 0. 88 km?

Answer 1

Answer:

r=14dm=14/10m

C=2πr

=2×22/7 ×14/10

=88/10 m

now

distance=0.88km=0.88×1000m

=880m

so

no. of revolutions=880÷(88/10)

=880×10/88

=100 Ans