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If we rotate a right angled triangle of ...

If we rotate a right angled triangle of height 5 cm and base 3 cm about its height a full turn, we get

A

cone of height 5 cm, base 3 cm

B

triangle of height 5 cm, base 3 cm

C

cone of height 5 cm, base 6 cm

D

triangle of height 5 cm, base 6 cm

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NCERT EXEMPLAR-PRACTICAL GEOMETRY SYMMETRY AND VISUALISING SOLID SHAPES-EXERCISE
  1. If three cubes each of edge 4 cm are placed end to end, then the dimen...

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

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

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

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

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

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  7. In which of the following cases, a unique triangle can be drawn

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  8. Which of the following has no line of symmetry?

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  9. Which of the following are reflections of each other?

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  10. Which of these nets is a net of a cube?

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  11. Which of the following nets is a net of a cylinder?

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  12. Which of the following letter of English alphabet has only two lines o...

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  13. Take a square piece of paper as shown in figure(1). Fold it along its ...

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  14. Which of the following 3-dimensional figures has the top, side and fro...

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  15. In an isosceles right triangle, the number of lines of symmetry is .

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  16. Rhombus is a figure that has lines of symmetry and has a rotational sy...

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  17. triangle is a figure that has a line of symmetry but lacks rotational ...

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  18. is a figure that has neither a line of symmetry nor a rotational symme...

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  19. and are the capital letter of English alphabets that have one line of ...

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  20. The common portion of two adjacent faces of a cuboid is called .

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