Question

Find the area of sector of circle with radius 21 cm and central angle 60°​

Answer 1

Answer:

231

Step-by-step explanation:

Area of sector = (Angle/360) ×πr²

= (60/360 ) × (22/7 )×21×21

=(1/6 ) × (22×3×21)

=22×3×21/6

=11×21

=231 cm²