visualising solid shapes

Using Euler’s formula, complete the following table:

  Faces Vertices Edges
i 6 - 12
ii - 5 8
iii 14 24 -
iv - 16 30
v 16 - 42
vi 19 19 -

 
class-8 maths visualising solid shapes View Answer

Write the number of faces, vertices and edges in

(i) an octagonal prism

(ii) decagonal pyramid.
class-8 maths visualising solid shapes View Answer

If a polyhedron has 7 faces and 10 vertices, find the number of edges.
class-8 maths visualising solid shapes View Answer

If a polyhedron has 8 faces and 8 vertices, find the number of edges.
class-8 maths visualising solid shapes View Answer

Can a polyhedron have 15 faces, 30 edges and 20 vertices?
class-8 maths visualising solid shapes View Answer