the minute hand of a circular clock is 15cm long.how far does the tip of the minute hnd move in 1 hour.(take = 3.14)

the length of minute hand = radius of the clock = 15cm

Circum of clock = circum of circle = 2 x Pi x radius

= 2 x 3.14 x 15

= 30 x 3.14

= 94.2

therefore the clock's minute hand tip travels 94.2 cm in 1 hr