Page 208 - ICSE Math 8

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(b)

Side (i) (ii) (iii)
Front
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(c) ♠ ♠
♠ ♠
(i) (ii) (iii)
Front Side

6. You are given an Icosahedron (20 faces and 12 vertices) and a Dodecahedron (12 faces and vertices).
Which among the two has more edges?

THINK SMART

1. A tetrahedron (4 equal triangles) and a pyramid with equal side
lengths are joined on a triangular face. How many faces and edges
will the new shape has?
2. Draw the net of a pyramid with:
(a) a rectangular base (b) a pentagonal base
(c) a hexagonal base
3. Identify the solid formed by folding the given net.

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