the minute hand of the clock is 4.9 cm long . how far does the tip of the minute hand move in 1 hour ? ( π 22/7 )
PLEASE TELL ✓
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the minute hand of the clock is 4.9 cm long . how far does the tip of the minute hand move in 1 hour ? ( π 22/7 )
PLEASE TELL ✓
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In 1 hour, the minute hand completes 1 round, so the minute hand makes a circle
The distance covered by the tip of the minute hand in 1 hour = circumference of the clock
radius = 4.9 cm
circumference of a circle = 2πr
= 2× 22/7 × 4.9
= 30.8 cms