मराठी

In the given figure, the mirror line (i.e., the line of symmetry) is given as a dotted line. Complete given figure performing reflection in the dotted (mirror) line. - Mathematics

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प्रश्न

In the given figure, the mirror line (i.e., the line of symmetry) is given as a dotted line. Complete given 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?

आकृती
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उत्तर

The given figure can be completed as follows:

It will be a triangle.

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  या प्रश्नात किंवा उत्तरात काही त्रुटी आहे का?
पाठ 14: Symmetry - Exercise 14.1 [पृष्ठ २६९]

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एनसीईआरटी Mathematics [English] Class 7
पाठ 14 Symmetry
Exercise 14.1 | Q 3.2 | पृष्ठ २६९

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संबंधित प्रश्‍न

Copy the figure with punched holes and find the axes of symmetry for the following:


Copy the figure with punched holes and find the axes of symmetry for the following:


Given the line of symmetry, find the other hole:


The following figures have more than one line of symmetry. Such figures are said to have multiple lines of symmetry.

(a) (b) (c)

Identify multiple lines of symmetry, if any, in the following figure.


State the number of lines of symmetry for a rhombus figure.


What letters of the English alphabet have reflectional symmetry (i.e., symmetry related to mirror reflection) about a horizontal mirror.


Complete the other half of the following figure such that the dotted line is the line of symmetry.


Find the line of symmetry and the order of rotational symmetry of the given regular polygons and complete the following table and answer the questions given below.

Shape Equilateral
Triangle
Square
Regular
pentagon
Regular
hexagon
Regular
octagon


Number of lines of symmetry          
Order of rotational symmetry          

i) A regular polygon of 10 sides will have _________ lines of symmetry

ii) If a regular polygon has 10 lines of symmetry, then its order of rotational symmetry is ___________

iii) A regular polygon of 'n' sides has _________ lines of symmetry and the order of rotational symmetry is _________


Draw the line of symmetry in the following figure.


Draw what the following shapes would look like on a `1/4` turn and half a turn.

  On `1/4` turn On half turn
a)     
b)     
c)     
d)    
  • Which of the above shapes do not look the same on the `1/4` turn?
  • Which shapes do not look the same on `1/2` a turn?

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