Question

The minute hand of a circular clock is 15 cm long. How far does the tip of the minute hand move in 1 hour. (Take $\pi$ = 3.14)

Answer 1

Distance travelled by the tip of minute hand = Circumference of the clock
= $2\pi r$
= $2 \times 3.14 \times 15$
= $94.2$ $cm$