Find the surface area of cylinders quiz. This online exercised contains pictures of different cylinders. A cylinder is a shape that looks like a soda can. There is a formula for finding the surface area of a cylinder. Note that the base of a cylinder is a circle hence the formula for finding the surface area of a circle comes in handy when solving these problems. The formula used in this exercise is as follows: A=2πrh+2πr2. There are also printable activities on finding the surface area of cylinders. This quiz is for 2nd, 3rd, 4th, 5th, 6th and 7th grade students.