SOLUTION: the minute hand of a clock is 9cm long and the hour hand is two-thirds as long. How much farther than the tip of the hour hand will the tip of the minute hand move in one hour?

Question 620842: the minute hand of a clock is 9cm long and the hour hand is two-thirds as long. How much farther than the tip of the hour hand will the tip of the minute hand move in one hour?
Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
the minute hand of a clock is 9cm long and the hour hand is two-thirds as long.
*9 = 6cm is the length of the hr hand
How much farther than the tip of the hour hand will the tip of the minute hand move in one hour
:
The minute hand will move the circumference of a circle with a radius of 9 cm
M =
M = 56.55 cm in one hr
:
The hr hand moves 1/12 of the circumference of a circle with a radius of 6 cm
H = *
H = 3.14 cm in one hr
:
The minute hand: 56.55 - 3.14 = 53.41 cm more than the hr hand
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