<div>In Chapter 3, we use this method to show that the convex hull area of a circle, an equilateral triangle and a rectangle (perimeter 1) is at most 0.09763. There are two files:</div><div><br></div>maincodethm2 is a code to prove that the lower bound of convex hull area of a circle, an equilateral triangle, and a rectangle is at most 0.09763.<div><br></div><div>codecvhul2 is a function to find area of convex hull.</div>