Question

If x=90 and radius of a sector is 28 cm then area of a sector is​

Answer 1

Step-by-step explanation:

Central angle = 90°

Radius, r = 28cm

Area of sector = 90°/360° X 22/7 X 28 X 28

= 1/4 X 22 X 4 X 28

= 22 X 28

= 616cm^2