Question

Look at the solids, drawn below, and fill the given chart.

(i)

Triangular pyramid

(ii)

Square pyramid

(iv)

Hexagonal

Polyhedon	Faces(F)	Vertices(V)	Edges(E)	F - E + V
(a) Triangular pyramid
(b) Square pyramid
(c) Hexahedron
(d) Hexagonal prism

Answer 1

Polyhedon	Faces(F)	Vertices(V)	Edges(E)	F - E + V
(a) Triangular pyramid	4	4	6	2
(b) Square pyramid	5	5	8	2
(c) Hexahedron	8	6	12	2
(d) Hexagonal prism	8	12	18	2