Q. 74.2( 5 Votes )
The minute hand o
Answer :
Length of the minute hand of a clock = 12 cm
∴ Radius = R = 12 cm
In 1 minute, minute hand sweeps 6°
So, in 35 minutes, minute hand will sweep 35 × 6° = 210°
Area swept by minute hand in 35 minutes = Area of a sector of angle 
of a circle with radius R = 
= 22/7 × 12 × 12 × 60°/360° = 264 cm2
Area swept by minute hand in 35 minutes = 264 cm2
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