MathsSymmetryReflectional and Rotational Symmetry

Reflectional and Rotational Symmetry

Table of Contents

  • Reflection Symmetry
  • Rotational Symmetry

– Order of Rotational Symmetry

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    • Summary
    • What’s Next?

    In the previous segment, we learnt about Symmetry and Axis of symmetry. In this segment, we will learn about Reflection and Rotational symmetry.

    What is Reflection symmetry?

    If there exists at least one axis of symmetry that divides a figure into two halves such that one- half is the mirror image of the other half, then this is called Reflection symmetry.

    For example,

    If a mirror is placed along the axis of symmetry of an isosceles triangle, then the reflection in the mirror will complete the image. That is the reflection of one part completes the shape.

    Reflection symmetry

    This type of symmetry is also known as line symmetry or mirror symmetry.

    What is Rotational symmetry?

    When an object looks the same when it is rotated less than a complete turn, about its centre point, it is said to have Rotational symmetry.

    For example,

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