Line symmetry

Line symmetry

Objects which have line symmetry or reflection symmetry can form symmetrical images where they are cut by an imaginary line that is called line of symmetry. An object can have more than one lines of symmetry.
Basic Concepts: Understanding tessellations, Tessellations using translations and reflections, Tessellations using rotations

Lessons

  • Introduction
    a)
    1. What is line symmetry?
    2. What is rotational symmetry?

  • 1.
    Find and draw all the lines of symmetry for each figure.
    a)

    Line symmetry of triangle and square

    b)

    Line symmetry of triangle and rectangle

    c)

    Line symmetry of triangle and rhombus

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9.
Transformations
9.1
Line symmetry
9.2
Rotation symmetry and transformations
Geometry