Can a polyhedron have 15 faces, 30 edges and 20 vertices?

Can a polyhedron have 15 faces, 30 edges and 20 vertices?

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 17 Visualising Solid Shapes Ex 17.2 6

If a polyhedron has 8 faces and 8 vertices, find the number of edges.

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 17 Visualising Solid Shapes Ex 17.2 7

If a polyhedron has 7 faces and 10 vertices, find the number of edges.

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 17 Visualising Solid Shapes Ex 17.2 8
Write the number of faces, vertices and edges in
(i) an octagonal prism
(ii) decagonal pyramid.

Solution:
ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 17 Visualising Solid Shapes Ex 17.2 9

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