mũhari nĩ Kĩrema (object) kĩa Mũthunũrũrio (geometry) kĩrĩa kĩrĩ kĩũga kĩa rũriika rũmwe (one dimensional). riika rũrũ no warie (length) ndĩrĩ wandandũku kana ũnoru.

oho mũhari no wĩĩcirio ta mũtaro kana njĩra ĩrĩa ĩraringa Ica (point) igĩrĩ kana makĩria.

nĩ kũrĩ mũhari mũrũngaru na mũhari ũragonya(curve) na mũhari ũrogotha(twist)