Muzvidzidzo zveMasvomhu zveGrade 3 tanga tichidzidza nezve 'volume' yezvimiro. Isu takashandisa formula: Vhoriyamu = kureba × upamhi × kureba / kudzika kuwana volume ye maumbirwo enguva dzose uye akaverengerwa machubhu kuti uwane huwandu hwemaumbirwo asina kujairika. Takazogadzira zvisikwa zvedu tichishandisa macube makumi maviri chaiwo ndokuaratidza seshoo yemifananidzo kuti vamwe vadzidzi vaone, uye tikavabvunza mibvunzo kuti vafunge.