3. A cylindrical tank has radius 4.5 m and height 6.1 m. a) Determine the volume of liquid it can hold, in litres. (1 meter cubed is 1000L)(3) b) Jamal is painting the tank with rust paint. Determine the surface area he must paint, in square metres. Explain any assumptions you make. (are there any sides that don't need paint?) (3) c) Suppose each can of rust paint will cover 650 square feet. How many cans should Jamal buy? Justify your answer. (2)