Regular and Convex Polyhedron
Regular and Convex Polyhedron
Regular Polyhedron
A polyhedron in which its faces are made up of regular polygons which completely overlap each other and the same number of faces meet at each vertex is known as regular polyhedron. This means that the faces of a regular polyhedron are congruent regular polygons and its vertices are formed by the same number of faces.
A cube is a regular polyhedron but cuboid is not a regular polyhedron as its faces are not congruent rectangles. Polyhedron drawn in Fig. 19.8 is not regular because its faces are congruent triangles but the vertices are not formed by the same number of faces. Clearly, 3 faces meet at A but 4 faces meet at B.
Example of convex polyhedrons are :- | |||
| Right Option : D | |||
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Which is not the correct statement related to regular polyhedrons :- 1. Cube is an example of regular polyhedrons . 2. It is made up of regular polygons which completely overlap each other . 3. Cuboid is an example of regular polyhedrons as it faces are congruent rectangles .
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| Right Option : C | |||
| View Explanation | |||
Following figure are an example of :-
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| Right Option : C | |||
| View Explanation | |||
Students / Parents Reviews [10]
It was good as the experience because as we had come here we had been improved in a such envirnment created here.Extra is taught which is beneficial for future.
Eshan Arora
8thAbout Abhyas metholodology the teachers are very nice and hardworking toward students.The Centre Head Mrs Anu Sethi is also a brilliant teacher.Abhyas has taught me how to overcome problems and has always taken my doubts and suppoeted me.
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8thAbhyas Methodology is very good. It is based on according to student and each child manages accordingly to its properly. Methodology has improved the abilities of students to shine them in future.
Manish Kumar
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Aman Kumar Shrivastava
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Shivam Rana
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Yatharthi Sharma
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10thIt was a good experience with Abhyas Academy. I even faced problems in starting but slowly and steadily overcomed. Especially reasoning classes helped me a lot.
