Question

the radius of a circle is 3.5 cm what is the area of sector of angle 45°​

Answer 1

Answer:

Area of a sector

In a circle with radius r and centre atO, let ∠POQ = θ (in degrees) be theangle of the sector. Then, the area ofa sector of circle formula is calculated using the unitary method. Now the area of the sector for the above figure can be calculated as (1/8) (3.14×r×r).

Answer 2

area of sector of a circle is 4.8m square