CBSE Class 8: 3D Shapes Videos | 3D Shapes
3D Shapes
Introduction of 3D shapes like cone, cylinder, sphere and pyramid, parts of pyramid, determining faces, edges and vertices of these 3D shapes
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3D Shapes
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3D Objects
- what is Euler's formula
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Write the number of faces, vertices and edges in the following cuboids.
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Write the number of faces, vertices and edges of the below figure:
- Define prism and draw a rough diagram of triangular prism. Also verify the Euler's formula for the same.
- Define cylinder. Draw its rough diagram and write the number of faces and edges of it.
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The following shape is a hexagonal prism. Write the number of faces, vertices and edges. Also verify the Euler's formula.
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Write the name of 6 faces and 12 edges of the following cube.
- Using Euler's formula, find the unknown. (i) (ii) Faces x 5 Vertices 6 y Edges 12 9
- Can a polyhedron have 10 faces, 20 edges and 15 vertices?
- What is Euler's formula? Verify the Euler's formula for a pentagonal prism.