Distance travelled by a circular wheel of diameter d cm in one revolution is 2πd.
The radius of a circular wheel is 42 cm. Find the distance travelled by it in:
(i) 1 revolution;
(ii) 50 revolutions;
(iii) 200 revolutions;
The distance travelled by a wheel in one revolution is equal to its circumference.
i) 50 revolution
iii) 200 revolution