Right Circular Cylinder          Surface Area of a Right Circular Cylinder Definition:           Right Circular Cylinder A Right Circular Cylinder is a three dimensional object, whose base is circle and the height (axis) is the line joining the centers of bases. We take a rectangular sheet of a paper whose length […]

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Vertex – Definition and Examples  Vertex – Latin word Vertex meaning, “highest point”. What is Vertex? Vertex is a point where two or more rays or line segments are meet. When two rays or line segments meet, simply it is a corner, they form an angle. Definition: A vertex is a point on a polygon, where […]

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 Three Dimensional Shapes In this section, we will discuss about 3D three dimensional shapes. Definition: Example: Cuboid, cube, cone, cylinder, sphere, pyramid, rectangle pyramid, square pyramid, triangular prism, tetrahedron, hexagonal pyramid etc. are examples of three dimensional shapes. It has six rectangles and each rectangle is called the face. The opposite faces of a cuboid […]

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