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Class 7
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Maths
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Symmetry
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Symmetry and Lines of Symmetry
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Symmetry
Symmetry
5 Mins
Maths
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NEXT VIDEOS
Introducton to Rotational Symmetry
15 mins
Introduction to 3D Shapes
7 mins
More about 3D shapes
7 mins
2D and 3D Figures
8 mins
Introduction to Cross Sections
5 mins
REVISE WITH CONCEPTS
Line Symmetry
Example
Definitions
Formulaes
>
Lines of Symmetry of Polygons
Example
Definitions
Formulaes
>
Symmetry in Polygons
Example
Definitions
Formulaes
>
QUICK SUMMARY WITH STORIES
Mirror line as line of symmetry
2 mins
Shapes with one or more lines of symmetry
3 mins
Line of symmetry for regular polygon
3 mins
Rotational symmetry
3 mins
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Important Questions
Draw lines of symmetry for the following figures. Identify which of them have point symmetry. Is there any implication between lines of symmetry and point symmetry?
Hard
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How many of the alphabets have exactly
$1$
line of symmetry?
Easy
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Write all the capital letters of the English alphabets which have two lines of symmetry.
Medium
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>
How many lines of symmetry are in this isosceles triangle?
Easy
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Which of the following alphabet has horizontal line of symmetry ?
Easy
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How many lines of symmetry are there for a
n equilateral triangle.
Easy
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>
Draw all lines of symmetry for each of the following letters:
Easy
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>
Give three examples of shapes with no line of symmetry.
Easy
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Write the number of lines of symmetry in each letter
$_{′}SYMMETRY_{′}.$
Medium
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>
How many lines of symmetry are there in a regular hexagon?
Easy
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>