Visualising Solid Shapes Worksheet Page 16

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M A T H E M A T I C S
20. The ratio of the number of general stores and that of the ground is
(a) 1 : 2
(b) 2 : 1
(c) 2 : 3
(d) 3 : 2
21. According to the map, the number of schools in the town is
(a) 4
(b) 3
(c) 5
(d) 2
In questions 22 to 41, fill in the blanks to make the statements true.
22. Square prism is also called a _______.
23. Rectangular prism is also called a ________.
24. In the figure,
the number of faces meeting at B is ________.
25. A pyramid on an n sided polygon has ______ faces.
26. If a solid shape has 12 faces and 20 vertices, then the number of
edges in this solid is ______.
27. The given net
can be folded to make a ______.
28. A solid figure with only 1 vertex is a ______.
29. Total number of faces in a pyramid which has eight edges is______.
30. The net of a rectangular prism has ______ rectangles.
(Hint: Every square is a rectangle but every rectangle is not a square.)
Three-dimensional figures have three dimensions: length, width and
height. A flat surface of a three-dimensional figure is a face. An edge is
where two faces meet.
A polyhedron is a three-dimensional figure whose faces are all polygons.
A vertex of a polyhedron is a point where three or more edges meet. The
face that is used to name a polyhedron is called a base.
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