NCERT Exercise 11.1 - Q10 - Areas Related to Circles

Question: An umbrella has 8 ribs which are equally spaced. Assuming the umbrella to be a flat circle of radius 45 cm, find the area between two consecutive ribs of the umbrella.

Answer: The area between two ribs is 22275/28 cm^2.

Full step-by-step NCERT solution with diagrams on Something by Zero.