Show that this polygon has a diameter which is completely inside the polygon and the two arcs it creates on the polygon perimeter (the two arcs have 2 vertices in common) both have at least one third of the vertices of the polygon.
Ipakita ang polygon na ito ay may isang diameter na kung saan ay ganap na sa loob ng polygon at ang dalawang arcs gumawa ito sa buong gilid polygon (ang dalawang arcs may 2 na vertices sa pangkaraniwan) parehong may hindi bababa sa isang ikatlo ng ang vertices ng polygon.