Complete the sentence using one of the following words:
apothem (apotema), oblique cylinder (cilindro oblicuo), oblique prism (prisma oblicuo), regular pyramid (pirámide regular), right cone (cono recto), right cylinder (cilindro recto), right prism (prisma recto);
A prism that has at least one nonrectangular lateral face is called a(n) ____________________.
