Representation soild on paper

state the Euler's formula for polyhedron

• V + V = E + 2

• F + V = E - 2

• F + V = E + 2

• F + F = E + 2

Answer explanation

It is written F + V = E + 2, where F is the number of faces, V the number of vertices, and E the number of edges.

(i) 4 faces--
(ii) 8 triangular faces---

Give one reason for your answer

Answer explanation

Give one reason for your answer

(iii) 6 faces--
(iv) 1 curved surface--

(v) 5 faces and 5 vertices---

(vi) 6 rectangular faces and 2 hexagonal faces--