Areas related to Circles ncert solutions Chapter 12 Exercise 12.2 Question 10
10. An umbrella has 8 ribs which are equally spaced. Assuming umbrella to be a flat circle of radius 45 cm, find the area between the two consecutive ribs of the umbrella.
Umbrella is divided into 8 equal ribs.
The angle made by each sector at center =
The area between two consecutive ribs =