Posted by **kayla** on Monday, December 8, 2008 at 8:07pm.

the minute hand of a clock is 6 inches long. how far does the tip of the minute hand move in 15 minutes?

what is the circumference of a circle with radius of 6 in?

It is 12 pi

What fraction of a circle does the minute hand move in 15 minutes?

It is 90 degrees

So what do I do with those numbers

- math -
**Ms. Sue**, Monday, December 8, 2008 at 8:14pm
Yes. The circumference of the circle is 12 times pi.

C = 12 * 3.14 = 37.68 inches

15/60 = 1/4

Remember that 15 minutes is one-quarter of an hour.

In 15 minutes, the minute hand moves around 1/4 of the circumference.

Circumference equals

- vlyejak qujox -
**vlyejak qujox**, Saturday, January 17, 2009 at 2:16am
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