EASY
7th CBSE
IMPORTANT
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The angle of rotation of a figure is obtained by dividing 360° by the order of rotational symmetry.

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Important Questions on Reflection and Rotational Symmetry

EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 13 - Reflection and Rotational Symmetry>REVIEW EXERCISES>Q 2
A figure not having rotational symmetry can have 3 lines of symmetry.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 13 - Reflection and Rotational Symmetry>REVIEW EXERCISES>Q 3
A rhombus is also a parallelogram hence it does not have line symmetry.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 13 - Reflection and Rotational Symmetry>REVIEW EXERCISES>Q 4
If a figure is folded in two equal parts such that the two folds overlap each other exactly, then the figure is symmetrical and the crease so formed is the line of symmetry.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 13 - Reflection and Rotational Symmetry>REVIEW EXERCISES>Q 5
A capital letter and its corresponding small letter have equal number of lines of symmetry.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 13 - Reflection and Rotational Symmetry>REVIEW EXERCISES>Q 6
If a figure possesses rotational symmetry, then it should look exactly the same at least once upto a rotation of 180°.
EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 13 - Reflection and Rotational Symmetry>REVIEW EXERCISES>Q 7

In the adjoining figure, l is the vertical line of the reflection symmetry.

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EASY
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 13 - Reflection and Rotational Symmetry>REVIEW EXERCISES>Q 8
In a regular pentagon, the perpendicular bisectors of the sides are the only lines of symmetry.
MEDIUM
7th CBSE
IMPORTANT
START UP MATHEMATICS>Chapter 13 - Reflection and Rotational Symmetry>REVIEW EXERCISES>Q 3
If after a rotation of 45° about a fixed point the figure looks exactly the same, then the order of rotational symmetry is _____.