#### State which of the following statements are true (T) or false (F):

(i) A cylinder is a polyhedron.

(ii) All the prisms and pyramids are polyhedrons.

(iii) A tetrahedron is the only pyramid which can be a regular polyhedron.

(iv) The line segments where the faces of a polyhedron meet are called edges.

(v) F + E = V + 2 is called a Euler’s formula.

(vi) In any prism number of faces is 2 more than number of sides of polygonal base.

(vii) In any pyramid number of edges is twice the number of sides of polygonal base.

(viii) An octagonal prism has 18 vertices.

(ix) All pyramids are prisms.

(x) Lateral faces of a pyramid are triangles.

**Solution:**

**More Solutions:**

- Match the objects with their shapes
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