Kwambuka: Impinga Semiquintile Umunani Inzu
Soma: Impinga, Decagon, Abandi.
Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Inzu ya munani yerekana ubushobozi bwimibonano mpuzabitsina, umurage niherezo ryibintu. Uyu mwanya ugira uruhare runini muribi bibazo, ariko bike, kuko ari intege nke cyane. Ibindi