CBSE Class 8: 3D Shapes Videos | 3D Shapes

• what is Euler's formula
• Write the number of faces, vertices and edges in the following cuboids.
• 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.
• The following shape is a hexagonal prism. Write the number of faces, vertices and edges. Also verify the Euler's formula.
• 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.

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