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Class 7
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Maths
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Symmetry
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Rotational Symmetry
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Introducton to Rotational Symmetry
Introducton to Rotational Symmetry
15 Mins
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NEXT VIDEOS
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More about 3D shapes
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8 mins
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5 mins
Isometric Sketches
4 mins
REVISE WITH CONCEPTS
Rotational Symmetry
Example
Definitions
Formulaes
>
Symmetry in Polygons
Example
Definitions
Formulaes
>
QUICK SUMMARY WITH STORIES
Line of symmetry for regular polygon
3 mins
Shapes with one or more lines of symmetry
3 mins
Rotational symmetry
3 mins
Important Questions
Find the order of rotational symmetry of equilateral triangle.
Easy
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In the word 'MATHS' which letter shows rotational symmetry of order
$2$
?
Medium
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After rotating by
$60_{o}$
about a centre, a figure looks exactly the same as its original position. At what other angles will this happen for the figure?
Medium
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>
What is the order of rotational symmetry of a regular pentagon?
Easy
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>
What is the order of rotational symmetry of rectangle?
Easy
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What is the order of rotational symmetry and angle of rotation for this design?
Medium
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>
Give the order of rotational symmetric for each of the following figure when rotated about the marked point
$(x)$
:
Medium
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>
The quadrilateral which has the highest line and rotational symmetry is _______ .
Medium
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>
The following shape has rotational symmetry about the marked point of order:
Easy
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>
The order of rotational symmetry for a square is___________
Medium
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>