Learn the shape of a cone and how to find its surface area , volume, height, slant height, and radius with formulas, solved examples, and diagrams Learn how to calculate the surface area of a cone using the formula πr2 + πrs, where r is the radius and s is the slant height. See the derivation, solved examples, and diagrams of a cone . Learn how to calculate the total surface area and the curved surface area of a cone using formulas and examples. Find the slant height of a cone given the radius and the total surface area . Learn how to calculate the surface area of a cone using easy formulas, step-by-step guides, and solved examples for exams. Get clear on curved and total area with instant tips.