The diameter of a circle field is 98cm.if a child walks at the rate of 14 m per minute, how long will it take to walk around the field once?
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Answer:
Diameter= 98cm=0.98 m
Perimeter of the Circle
- = 2πr
- =2× 22/7 × 0.98
- = 616 m
His speed is = 14 m/minute
The time he will take
- = 616/14
- =44 minute
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