A cone is a 3-dimensional solid object that has a circular base and a single vertex. When the vertex is over the center of the base, it is called a right cone. When it is not, it is called an oblique cone. The shape of the base of the cone is circle of which radius is R.
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The top and bottom of a cylinder are two congruent circles, called bases
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An octagonal pyramid,These type of pyramid have nine sides all together, called faces.
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The trigonal or triangular pyramid with all equilateral triangle faces becomes the regular tetrahedron, one of the Platonic solids.
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A cube has six flat faces, or surfaces. Each face of a cube is shaped like a square. The sides of each face are called edges.
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A sphere is solid figure
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The point where the surface of the cone ends is called the vertex of the cone.
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A rectangular pyramid has 5 faces. Its base is a rectangle or a square and the other 4 faces are triangles. It has 8 edges and 5 vertices.
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A space figure or three-dimensional figure is a figure that has depth in addition to width and height.
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A triangular prism is a 3D shape with two identical faces in the shape of a triangle connected by three rectangular faces.
Answers & Comments
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