Question

find the area of the sector of a circle with radius 4 centimetre and of angle 30°.Also find the area of the corresponding major sector.

please help me

Answer 1

1. area of sector of angle A⇒A×2πR² (A=angle,π=pie(22/7),R=radius)
2. ⇒30×22×4×4÷360×7
3. ⇒4.19 OR 4.2