 
<translate> Ebe ọ bụ na okirikiri ahụ bụ square, cylinder kachasị ukwuu ga-enwe okirikiri kachasị ukwuu. Iji mezuo nke ahụ, ka obere akụkụ nke igbe rektangulu bụrụ ịdị elu. Ya mere, ọ ga-enwe 16x14obosara x ogologo. Ogwe nke kachasị ibu ga-adaba n'ihe abụọ ahụ, ya mere ọ ga-enwerịrị ihe dị ka dayameta nke 14, ya mere radius ga-abụ 7. Ya mere, azịza ya bụ (E). <eng> Since the radius is squared, the biggest volume cylinder will have the biggest possible radius. To achieve that, let the smaller dimension of the rectangular box be the height. So, it will have 16x14width x length. The biggest cylinder must fit both dimensions, so it must have at most a diameter of 14, so the radius will be 7. So, the answer is (E). 