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A polyhedron has 60 edges and 40 vertice...

A polyhedron has 60 edges and 40 vertices. Find the number of its faces.

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NCERT EXEMPLAR-VISUALISING SOLID SHAPES -EXERCISE
  1. Can a polyhedron have V = F = 9 and E = 16 ? If yes, draw its figure

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  2. Check whether a polyhedron can have V = 12, E = 6 and F = 8.

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  3. A polyhedron has 60 edges and 40 vertices. Find the number of its face...

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  4. A polyhedron has 20 faces and 12 vertices. Find the edges of the polyh...

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  5. A solid has forty faces and, sixty edges. Find the number of vertices ...

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  6. Draw the net of a regular hexahedron with side 3 cm. (Hint: Regular he...

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  7. Draw the net of a regular tetrahedron with side 6 cm.

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  8. Draw the net of the following cuboid:

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  9. Match the following:

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  10. Complete the table given below by putting tick mark across the respect...

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  11. Draw the net of the following shape.

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  12. Draw the net of the following solid.

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  13. Find the number of cubes in the base layer of the following figure.

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  14. In the above figure, if only the shaded cubes are visible from the top...

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  15. How many faces, edges and vertices does a pyramid have with n sided po...

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  16. Draw a figure that represents your mathematics textbook. What is the n...

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  17. In the given figures, identify the different shapes involved.

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  18. The edge of a cube is decreasing at the rate of 0.04 cm/sec. If the ed...

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  19. Draw a map of your school playground. Mark all necessary places like 2...

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  20. A photographer uses a computer program to enlarge a photograph. What i...

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