4 semicircles in a circle 2013 BMT Individual 3
Source:
January 2, 2022
semicirclesemicirclesgeometry
Problem Statement
S-Corporation designs its logo by linking together semicircles along the diameter of a unit circle. Find the perimeter of the shaded portion of the logo.
https://cdn.artofproblemsolving.com/attachments/8/6/f0eabd46f5f3a5806d49012b2f871a453b9e7f.png