Question

The minute hand of a circular clock is 15cm long.How far does the tip of the minute hand move in 1 hour?

Answer 1

this is a round about way of asking for the circumference of a circle with radius 15

can you answer that one?

Answer 2

look up the formula for the circumference of a circle, then replace \(r\) by 15

Answer 3

Can you reason why the answer should be the circumference of a circle with radius 15 ?

Answer 4

Its nothing but circumference of circle.. Use the formula for Circumference of circle..
= 2 *pi*r

Answer 5

94.20cm?

Answer 6

\(30\pi\) which may be what you wrote as a decimal approximation

Answer 7

if you are doing to round, would be 94.25