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Find the circumference of a circle whose radius is 4 m.

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1767 m

1267 m

1567 m

1657 m

answer is A.

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Detailed Solution

Given a circle having radius 4 m.
Circumference of the circle is,

C = 2 × π × r ⇒ C = 2 × π × 4

⇒ C = 2 × 227 × 4

⇒ C = 1767 m

Therefore, circumference of the circle is

1767 m

.
Hence, option 1 is correct.

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