Question

the diameter of circular field is 98 metre .if a child walks at a rate of 14 per minute, how long will it take to walk around the field once​

Answer 1

Answer:

22 mins

Step-by-step explanation:

Diameter of field = 98m

Radius of field = 49m

Perimeter of field

$= 2 \: \pi \: r$

= 2 * 22/7 * 49

= 2 * 22 * 7

= 308m

Distance cover in 1 minute = 14m

(Speed = 14 m/min)

Distance to be covered = 308m

Time taken

= (Distance / speed)

= 308/14

= 22 mins

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