![]() Since we know, the area of a triangle = ½ bh ![]() The curved surface of a cone can be viewed as a triangle whose base length is equal to 2 πr (circumference of a circle), and its height is equal to the slanted height ( l) of the cone. Where r = the base radius of the cone Lateral Surface Area of a Cone Since the base of a cone is a circle, then the base area (B) of a cone is given as: To find the surface area of a cone, you need to calculate the cone’s base and the lateral surface area. We will also discuss the lateral surface area of a cone. In this article, we will discuss how to find the surface area by using surface area of a cone formula. The surface area of a cone is the sum of the area of the slanted, curved surface and area of the circular base. The vertical distance from the base center to the apex of a cone is the height (h), while the slant height of a cone is the length (l). ![]() ![]() To recall, a cone is a three-dimensional structure having a circular base where a set of line segments, connecting all of the points on the base to a common point called the apex. Surface Area of a Cone – Explanation & ExamplesĬone is another important figure in geometry. ![]()
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