An arc of a circle subtends an angle of 60o at the centre. If the radius of the circle is 3cm, find , in terms of \(\pi\), the length of the arc

A.

\(\pi\)cm

B.

2\(\pi\)cm

C.

3\(\pi\)cm

D.

6\(\pi\)cm

View answer & explanation

Correct answer is A

Length of arc = \(\frac{\theta}{360} \times 2\pi r\)

= \(\frac{60}{360} \times 2\pi \times 3cm\)

= \(\pi\)cm

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