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

Question

anonymous · Answer

this is a round about way of asking for the circumference of a circle with radius 15

can you answer that one?

anonymous · Answer

look up the formula for the circumference of a circle, then replace $r$ by 15

foolaroundmath · Answer

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

ganpat · Answer

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

anonymous · Answer

94.20cm?

anonymous · Answer

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

anonymous · Answer

if you are doing to round, would be 94.25