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The number of lines of symmetry of a reg...

The number of lines of symmetry of a regular polygon is equal to the vertices of the polygon.

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NCERT EXEMPLAR-PRACTICAL GEOMETRY SYMMETRY AND VISUALISING SOLID SHAPES-EXERCISE
  1. A cone is a polyhedron.

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  2. A prism has four bases.

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  3. The number of lines of symmetry of a regular polygon is equal to the v...

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  4. State whether the given statement is True or False: The order of rotat...

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  5. Mirror reflection leads to symmetry always.

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  6. Rotation turns an object about a fixed point which is known as centre...

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  7. State True or False: Isometric sheet divides the paper into small is...

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  8. State True or False The circle, the square, the rectangle and the tri...

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  9. State True or False: The solid shapes are of two dimensional.

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  10. State True or False Triangle with length of sides as 5 cm, 6 cm and ...

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  11. Construct a right triangle whose base is 12cm and sum of its hypotenus...

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  12. Draw a right triangle in which the sides (other than hypotenuse) are o...

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  13. Draw two parallel lines at a distance 5 cm apart.

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  14. Draw an isosceles triangle in which each of the equal sides is of l...

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  15. Draw a triangle whose sides are of lengths 4\ c m ,\ 5\ c m\ a n d\...

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  16. Construct an obtuse angled triangle which has a base of 5.5 cm and bas...

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  17. Construct an equilateral triangle ABC of side 6cm.

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  18. By what minimum angle does a regular hexagon rotate so as to coincide ...

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  19. In the figure of cube. (i) Which edge is the intersection of faces E...

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  20. Draw a net of a cuboid having same breadth and height, but length doub...

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