Weekly Puzzle- 01/12/2022

Given: 5 circles of equal radii arranged together as shown with centres O The radius of each circle is equal to 1 unit To find: The area of the red-shaded regions [Note: Usage of tools of calculus will not be allowed. Pure geometry must be involved in the solution] By Dousik M, 12 A2 If you know the answer to this puzzle, please write it down, take a picture, and send the picture to mathclubyuva2022@gmail.com with your name, class, and section.