A. A person covers 2 and half round on the circumference of a circle of radius 20m. Find the distance.
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We will find the circumference because 1 round’s distance would be the circumference
Circumference of the path = 2 pie R
Radius of the path = 20m
Circumference= (2*3.14*20)m
= 125.6m
Since the distance covered in 1 round = 125.6m
Now, by unitary method,
Distance covered in 2.5 rounds = (125.6*2.5)m
= 314m
Therefore, the distance covered in 2.5 rounds is 314m
Circumference of the path = 2 pie R
Radius of the path = 20m
Circumference= (2*3.14*20)m
= 125.6m
Since the distance covered in 1 round = 125.6m
Now, by unitary method,
Distance covered in 2.5 rounds = (125.6*2.5)m
= 314m
Therefore, the distance covered in 2.5 rounds is 314m
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