You are viewing a single comment's thread from:RE: CONTEST : Find the total diagonal number of pentagon, quadrilateral and hexagon?View the full contextamer4058 (55)in Zero to Infinity • 5 years ago My ans And my entry 5 + 2 + 9 = 16 The ans is [ 16 ] @zero-to-infinity @steemcurator01 @steemitblog