A circular clock has a minute hand measuring 12 inches long. how far, in inches, does the outermost tip of the minute hand travel in 20 minutes?
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The distance covered by the minute hand in 60 minutes = circumference of the circle of radius 12 inches.
Now the distance covered in 20 minutes will be 1/3 of the circumference.
= 1/3*2*pi*r
=2/3*pi*12
=8*pi
Taking pi = 3.14
Distance covered by the minute hand in 20 minutes = 25.12 inches
Now the distance covered in 20 minutes will be 1/3 of the circumference.
= 1/3*2*pi*r
=2/3*pi*12
=8*pi
Taking pi = 3.14
Distance covered by the minute hand in 20 minutes = 25.12 inches
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