Posted by **Sulaksha** on Friday, July 29, 2011 at 10:18pm.

An arc subtends an angle 15 degrees at the centre of the circle. If the radius is 4 centimetres, find the area of the sector?

- trig -
**Reiny**, Friday, July 29, 2011 at 11:08pm
area of whole circle = 16π cm^2

15° = 1/24 of a rotation, so the are of the sector is

(1/24)(16π) = 2π/3 cm^2

- trig -
**Sulaksha**, Saturday, July 30, 2011 at 2:54am
Thanks Reiny. it was simpl right?

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