Question

A cylindrical jelly jar is 7 inches across the top and 12 inches high. How many cubic inches of jelly could it hold? express your answer to the nearest units place. Please show all your work.

Answer 1

Volume of a cylinder = πr^2h = π(7/2)^2(12) = π(49/4)(12) = 147π ≈ 462 cubic inches.