The volume of a cone is 84 cubic centimeters, the bottom area is 21 square centimeters, and the height is 10______ Cm

The volume of a cone is 84 cubic centimeters, the bottom area is 21 square centimeters, and the height is 10______ Cm

84 × 3 / 21 = 252 / 21 = 12 (CM) a: the height is 12 cm. So the answer is: 12