Visualising Solid Shapes Worksheet Page 3
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42UNIT-6
• Scale is the relationship between the drawing’s/model’s
dimensions to the actual object’s dimensions.
• In a map, symbols are used to depict the different objects and places.
• Maps involve a scale which is fixed for a particular map.
Think
Think
Think
Think
Think
and
and
and
and
and
Discuss
Discuss
Discuss
Discuss
Discuss
1 . 1 . 1 . 1 . 1 .
Explain
how you would find the surface area of an open-top box that is
shaped like a rectangular prism.
2 . 2 . 2 . 2 . 2 .
Describe
the shapes in a net used to cover a cylinder.
(B)
(B)
Solved
Solved
Examples
Examples
(B)
(B)
(B) Solved
Solved
Solved
Examples
Examples
Examples
In examples 1 and 2, write the correct answer from the given four
options.
Example 1 : A prism is a polyhedron whose lateral faces are
(a) Circles
(b) Triangles
(c) Parallelograms
(d) Rhombuses or Rhombi
Solution
: Correct answer is (c).
Example 2 : A pyramid is a polyhedron whose lateral faces are
(a) Rectangles
(b) Triangles
(c) Parallelograms
(d) Rhombuses or Rhombi
Solution
: Correct answer is (b).
In examples 3 and 4, fill in the blanks to make the statements true
Example 3 : In a regular polyhedron ______ number
of faces meet at each vertex.
Solution
: same.
Example 4 : A pentagonal prism has ______ edges.
Solution
: 15.
In examples 5 and 6, state whether the statements are
true or false.
Example 5 : A sphere is a polyhedron.
Solution
: False.
V V V V V
S S S S S
S S S S S
173
173
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ISUALISING
ISUALISING
OLID
OLID
HAPES
HAPES
ISUALISING
ISUALISING
ISUALISING
OLID
OLID
OLID
HAPES
HAPES
HAPES
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