What is the least number of planes that can enclose a solid? What is the name of the solid?

Can a polyhedron have for its faces?

(i) 3 triangles?

(ii) 4 triangles?

(iii) a square and four triangles?

Is it possible to have a polyhedron with any given number of faces?

Is a square prism same as a cube?

Can a polyhedron have 10 faces, 20 edges and 15 vertices?

Verify Euler’s formula for each of the following polyhedrons:

Using Euler’s formula find the unknown:

Which among of the following are nets for a cube?

Name the polyhedron that can be made by folding each net:

Dice are cubes where the numbers on the opposite faces must total 7. Which of the following are dice?

Draw nets for each of the following polyhedrons:

Match the following figures: