ML Aggarwal Class 8 Solutions for ICSE Maths Chapter 17 Visualising Solid Shapes Ex 17.2
Can a polyhedron have for its faces
(i) 3 triangles?
(ii) 4 triangles?
(iii) a square and four triangles?
Which are prisms among the following?
Verify Euler’s formula for these solids:
Can a polyhedron have 15 faces, 30 edges and 20 vertices?
If a polyhedron has 8 faces and 8 vertices, find the number of edges.
If a polyhedron has 7 faces and 10 vertices, find the number of edges.
Write the number of faces, vertices and edges in
(i) an octagonal prism
(ii) decagonal pyramid.
Using Euler’s formula, complete the following table: