The minute hand of a clock is 10 cm long find the area of the face of the clock described by the minute hand between 9 a.m. and 9. 45 A.M
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Angle described by the minute hand in 1 minute=60 (Since in 60 minutes, the angle described is 360o)
Angle described by the minute hand in 35 minutes
=6x35=2100
Area swept by the minute hand in 35 minutes
= 210×22/ 360×70×(10)square
= 183.3 cm2.
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