Question

The minute hand of a circular clock is15 cm long . How far does the tip of the minute hand move in1 hour

Answer 1

LETS TAKE MINUTE HAND AS THE RADIUS.

THEN RADIUS= 15CM

THE MINUTES HAND COMPLETE ONE CIRCUMFERENCE IN ONE HOUR

SO,

CIRCUMFERENCE = 2πR
=> 2*3.14*15
=>30*3.14
=>94.20 CM

SO IN ONE HOUR IT WILL MOVE 94.20 CM