The formula V = 1 3 Bh, where B represents the area of the base, can be used to find the volume of a cone. Which formula is equivalent to V = 1 3 Bh when finding a cone's volume? A) V = 1 3 (l · w) B) V = 1 3 (l · w · h) C) V = 1 3 ?r2h D) V = ?r2h