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The angle of rotation for the figure 12....

The angle of rotation for the figure 12.2 is

A

`45^(@)`

B

`60^(@)`

C

`90^(@)`

D

`180^(@)`

Text Solution

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The correct Answer is:
C
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NCERT EXEMPLAR-PRACTICAL GEOMETRY SYMMETRY AND VISUALISING SOLID SHAPES-EXERCISE
  1. The angle of rotation for the figure 12.2 is

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  2. A triangle can be constructed by taking its sides as:

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  3. A triangle can be constructed by taking two of its angles as:

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  4. The number of lines of symmetry in the figure given below is:

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  5. The number of lines of symmetry in fig. is

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  6. The order of rotational symmetry in the fig given below is

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  7. The order of rotational symmetry in the figure given below is

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  8. The name of the given solid in fig is

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  9. The name of the solid in fig is

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  10. All faces of a pyramid are always:

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  11. A solid that has only one vertex is

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  12. Out of the following which is a 3-D figure?

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  13. Total number of edges a cylinder has

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  14. A solid that has two opposite identical faces and other faces as paral...

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  15. The solid with one circular face, one curved surface and one vertex is...

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  16. If three cubes each of edge 4 cm are placed end to end, then the dimen...

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  17. When we cut a corner of a cube as shown in the figure we get the cutou...

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  18. If we rotate a right angled triangle of height 5 cm and base 3 cm abou...

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  19. If we rotate a right angled triangle of height 5 cm and base 3 cm abou...

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  20. When a torch is pointed towards one of the vertical edges of a cube, y...

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  21. Which of the following sets of triangles could be the lengths of the s...

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