 
<translate> Ka yi tunani kafin ka amsa tambaya ta gaba. Shekara ta 189. Girman ciki na akwati na katako na rectangular 8 inci ne da 10 inci da 12 inci. A cylindrical Za a sanya canister a cikin akwatin don ya tsaya tsaye a lokacin da rufe akwatin ya ta'allaka ne a kan daya daga cikin shida fuskokin. Daga cikin irin wadannan gwangwani da za a iya amfani da su, wanne ne radius, a inci, na wanda yana da matsakaicin ƙarar? Zaɓuɓɓuka: (A) 3 (B) 4 (C) 5 (D) 6 (E) 8 <eng> Give a quick stream of consciousness before answering the following question. 189. The inside dimensions of a rectangular wooden box
are 8 inches by 10 inches by 12 inches. A cylindrical
canister is to be placed inside the box so that it stands
upright when the closed box rests on one of its six
faces. Of all such canisters that could be used, what is
the radius, in inches, of the one that has maximum
volume?
Options:
(A)  3
(B)  4
(C)  5
(D)  6
(E)  8 