Question
The minute hand of a clock is 10 cm long. How far does the tip of the hand move in 20 minutes?

None of these



easy
Solution
The minute hand moves through 120^{o} in 20 minutes or moves through radians.
Since the length of the minute hand is 10 cm, the distance moved by the tip of the hand is given by the formula
SIMILAR QUESTIONS
If π/2 < α < π, then the expression is equal to
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are in
yz + zx + xy is equal to
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