Math, asked by drmanmohanlal71, 1 year ago

how long will a man take to make a round of a circular field of the radius 21 cycling at the speed of 8 km per hour

Answers

Answered by rezoan

1

Answer:

π5.25

Step-by-step explanation:

r=21

circumference=2πr

=2*π21

=π42

t=d/t

t=π42/8

t=π5.25

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