Visualising Solid Shapes Worksheet
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42UNIT 6
UNIT 6
UNIT 6
UNIT 6
UNIT 6
VISUALISING SOLID
S H A P E S
(A)
(A)
Main
Main
Concepts
Concepts
and
and
Results
Results
(A)
(A) Main
(A)
Main
Main
Concepts
Concepts
Concepts
and
and
and
Results
Results
Results
• 3D shapes/objects are those which do not lie completely in a
plane.
• 3D objects have different views from different positions.
• A solid is a polyhedron if it is made up of only polygonal faces, the
faces meet at edges which are line segments and the edges meet at
a point called vertex.
• Euler’s formula for any polyhedron is,
F + V – E = 2
Where F stands for number of faces, V for number of vertices and
E for number of edges.
• Types of polyhedrons:
(a) Convex polyhedron
A convex polyhedron is one in which all faces make it convex.
e.g.
(1)
(2)
(3)
(4)
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