I. Uburebure bwicyuma nubunini Uburebure bwicyuma nubunini bwibanze bwubwoko bwose bwibyuma, bivuga uburebure, ubugari, uburebure, diameter, radiyo, imbere ya diametre, hanze ya diametre nuburebure bwurukuta nibindi.Ibice byemewe byo gupima kuburebure bwibyuma ni metero (m), santimetero (cm), milimetero ...
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