Problema Solution
the minute hand of the clock is 10 centimeters long. how far will the tip ofthe hand move after 12 minutes?
Answer provided by our tutors
the perimeter of a circle is given by 2*pi*r, we want to know the perimeter of 12 minutes of a circle with radius 10cm:
d = (12/60)*2*pi*10
= 6.28319
The minute hand will move just over 6.28cm.