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The cone is a three-dimensional solid figure with a circular base and a vertex. If a perpendicular straight line connect the vertex to the base midpoint, the cone is called a right cone. Otherwise, it is an oblique cone. In all cases, this straight line also is the cone height.
Cone elements:
 • Base:  surface of the circle of the cone base;
 • Radius: radius of the cone base;
 • Base surface: base area of the cone;
 • Lateral surface: curved surface connected by the apex of the cone and the circumference;
 • Vertex or apex: a fixed point where all the points of the lateral curve, not connected to the base are joined;
 • Height: perpendicular distance from the cone base plane to the apex;
How to calculate the elements of a Cone.


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