Guteranya: Wibande Semiquintile Impinga
Soma: Wibande, Decagon, Impinga.
Urugo rwerekana aho nuburyo dushobora kwerekeza imbaraga zacu, kugirango tugere kubisubizo byiza bishoboka. Vertex cyangwa Vertex yerekana aho nuburyo imbaraga zabaye mubuzima bwambere zizagaragara muri ubu buzima. Uyu mwanya ugira uruhare runini muribi bibazo, ariko bike, kuko ari intege nke cyane. Ibindi