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. 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. October 6, 2020 Category: Chapter 12 - Areas Related to Circles , Maths , NCERT Class 10 , Facebook Messenger WhatsApp Share this:TwitterFacebook Related