The dimensions of a cuboid are 5 cm, 3 cm and 2 cm. Draw three different isometric sketches at this cuboid.

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(a)

Three cubes each with 2 cm edge are placed side by side to form a cuboid. Sketch an oblique or isometric sketch of this cuboid

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(a)

Draw the top, the front and the side views of the following solid figure made up of cubes.

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(a)

Draw the nets of the followings:
(i) Triangular prism (ii) Tetrahedron (iii) Cuboid

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(a)

Draw a net of the solid given in the figure

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(a)

Draw the net of triangular pyramid with base as equilateral triangle of side 3 cm and slant edge 5 cm.

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(a)

Draw the net of a square pyramid with base as square of side 4 cm and slant edges 6 cm.

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(a)

Fill the correct symbol >, =, < in the following blanks.
(a) Faces of pyramid ----- Vertices of the pyramid.
(b) Faces of pyramid -----  Edge of the base
(c Edges on the base of a tetrahedron ------ Faces of a tetrahedron.

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(a)

Using Euler's formula find the unknown.               

	(i)	(ii)	(iii)
Faces	?	5	20
Vertices	6	?	12
Edges	12	9	?

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(a)

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

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(a)