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Mirror reflection leads to symmetry alwa...

Mirror reflection leads to symmetry always.

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What letters of the English alphabet have reflectional symmetry (i.e.,symmetry related to mirror reflection) about.(a) a vertical mirror (b) a horizontal mirror (c) both horizontal and vertical mirrors

If a line segment of length 5cm is reflected in a line of symmetry (mirror), then its reflection (image) is a ______ of length _______.

If an angle of measure 80^(@) is reflected in a line of symmetry, then the reflection is an ______ of measure _______.

A mirror always

Statement-1 : A ray incident along normal to the mirror retraces its path. Statement-2 : In reflection, angle of incidence is always equal to angle of reflection

In the following figures, the mirror line (i.e, the line of symmetry) is given as a dotted line. Complete each figure performing reflection in the dotted (mirror) line. (You might perhaps place a mirror along the dotted line and look into the mirror for the image). Are you able to recall the name of the figure you complete?

In the following figures,the mirror line (i.e., the line of symmetry is given as a dotted line. Complete each figure performing reflection in the dotted (mirror) line.(You might perhaps place a mirror along the dotted line and look into the mirror for the image).Are you able to recall the name of the figure you complete?

Line of symmetry and reflection

NCERT EXEMPLAR-PRACTICAL GEOMETRY SYMMETRY AND VISUALISING SOLID SHAPES-EXERCISE
  1. The number of lines of symmetry of a regular polygon is equal to the v...

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

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  3. Mirror reflection leads to symmetry always.

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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  19. Draw the nets of the following (i) Triangular prism (ii) Tetrahedr...

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  20. Draw a net of the solid given in the figure

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