Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Inzu ya gatandatu yerekana indwara n'ingorane. Uyu mwanya utanga umusanzu mubi bibazo, ariko bike, kuko ari intege nke cyane. Ibindi
Garuka