Question

find the CIRCUMFERENCE of a circle whose radius is 3.5m​

Answer 1

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Answer:

$circumference \: of \: circle = 2\pi \: r \\ \\ = 2 \times \frac{22}{7} \times 3.5m \\ \\ = 22m.$

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Answer 2

Answer:

circumference of a circle is 2×3.14×r

here r is the radius of the circle.

now the given radius is 3.5m

therefore the circumference is 2×3.14×3.5 = 21.98 m