Explanation:
the volume of the cylinder is
pi×r²×height = base area × height = 42×13 = 546 in³
the volume of a cone is
pi×r²×height/3 = base area × height / 3
so, the volume of the cone with the same basic sizes as the cylinder is the volume of the cylinder / 3 =
= 546 / 3 = 182 in³