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?

## Answer This Question

## Related Questions

- math - An angle of 1.8 radians at the center of the circle subtends an arc of ...
- math - find the length of an arc of a circle of radius 5.6 cm which subtends an ...
- trigonometry - please check my answers. 1.Find the area of the sector of a ...
- math - A sector of a circle subtending an angle 300 degrees at the centre is ...
- TRIG HELP ASAP - I really need help on this problem. A sector has area of 15 in^...
- MATHS - What is Radius if Angle at centre is 150 and Arc length is 220 What is ...
- Geometry - The circumference of a circle is 20 pi cm. Find diameter, radius, and...
- maths - Calculate the arc length that subtends an angle of 55 degree at the ...
- Math - An arc of a circle subtends an angle of 54 at the centre. If the arc is ...
- geometry - FIND THE LENGTH OF THE RADIUS OF THE CIRCLE IS 9cm. THE ARC OF THE ...

More Related Questions