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Q.

What is the circumference of a circle of radius 50m?


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a

300m

b

321m

c

314m

d

Cannot be determined 

answer is C.

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Detailed Solution

We have been given,
Radius = 50m.
Circumference of a circle = 2πr.
Substituting the values,
⇒2×3.14×50
⇒2×157
⇒314 m
Therefore, the circumference of a circle is 314 m.
Hence, option 3 is correct.
 
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