tag:blogger.com,1999:blog-6933544261975483399.post4898239720172671833..comments2024-03-26T19:10:02.918-07:00Comments on Go Geometry (Problem Solutions): Problem 342. Pentagon, Inscribed Circle, Tangent, SemiperimeterAntonio Gutierrezhttp://www.blogger.com/profile/04521650748152459860noreply@blogger.comBlogger1125tag:blogger.com,1999:blog-6933544261975483399.post-17535979483151966042009-08-21T09:00:15.737-07:002009-08-21T09:00:15.737-07:00We have : AF=AN , FB=BG , CG=CH , HD=DM & EM=E...We have : AF=AN , FB=BG , CG=CH , HD=DM & EM=EN.<br />s=(AB+BC+CD+DE+FA)/2<br />s=(AF+FB+BG+GC+CH+HD+DM+ME+EN+NA)/2<br />s=(AF+FB+FB+CH+CH+HD+HD+EN+EN+AF)/2<br />s=AF+FB+CH+HD+EN<br />s=AB+CD+EN<br /><br />We have: s=(AF+FB+BG+GC+CH+HD+DM+ME+EN+NA)/2<br />s=(AN+BG+BG+CG+CG+DM+DM+ME+ME+AN)/2<br />s=AN+BG+CG+DM+ME<br />s=AN+BC+DEyassin-Nhttps://www.blogger.com/profile/02621920005785165269noreply@blogger.com