11. What is the volume of the composite solid? (Hint: The height of the cone is 42 ft.) 12. A cylindrical can of cat food has a diameter of 3.5 inches and a height of 1.25 inches. A second brand of
cat food is packaged in a cylindrical can with a radius of 1.2 inches and a height of 1.25 inches.

a) What is the volume of the first can of cat food? Show your work

b) What is the volume of the second brand of cat food? Show your work

c) What is the difference between the volumes of the cans?

Extra credit: Two cylinders have equal diameters. Are their volumes also equal? Is the same true for cones and
spheres? Explain your reasoning