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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. 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 . Total Surface Area of Cone A right circular cone 's surface area is equal to the sum of its lateral surface area (πrl) and circular base surface area (πr2). The formula for the Surface Area of the cone is, Area = πr (l + r) square units The total surface area of a cone is the total area that the cone occupies in two dimensions , including the area of the circular base and the area of the curving surface.
