MathDB
difference of lenghts of min and max diagonal in regular 9-gon Chile 2009 L2 P2

Source:

May 31, 2019
geometrydiagonalsdiagonal

Problem Statement

Consider PP a regular 99-sided convex polygon with each side of length 11. A diagonal at PP is any line joining two non-adjacent vertices of PP. Calculate the difference between the lengths of the largest and smallest diagonal of PP.