Question

how long will a man take to make a round of a circular field of radius 21 metre, cycling at the speed of 8 km/h? answer in seconds​

Answer 1

Answer:

65.94 SECONDS

Step-by-step explanation:

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Answer 2

Answer:

Circumference =2pi r

                         =2*22/7*21

                         =2*22*3

                         =44*3

                         =132m

Speed= 8km/h

          =8*5/18m/s

          =2.22m/s

Step-by-step explanation: