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A line of symmetry is the line that divides a shape or an object into two equal and symmetrical parts. We also call this line the axis of symmetry or mirror line because it divides the figure symmetrically, and the divided parts look like mirror reflections of each other.
Recognize a line of symmetry for a two-dimensional figure as a line across the figure such that the figure can be folded along the line into matching parts. Identify line-symmetric figures and draw lines of symmetry.
What are lines of symmetry? Lines of symmetry are straight lines that divide a shape into two equal parts where one part is an exact reflection of the other. E.g. A rectangle has two lines of symmetry (LoS) shown below using a dashed line.
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What is a Line of Symmetry? A line of symmetry divides a figure into two parts, each of which is the mirror image of the other. In other words, if one side of a given figure is flipped over a line of symmetry, it will line up exactly with the other side.
Examples of Line Symmetry. One of the most common examples of line symmetry is a circle. A circle is an example of a shape with reflection symmetry, as it can be divided into two halves that are mirror images of each other. Another example of line symmetry is a square.
How to identify line symmetry, reflection symmetry and plane symmetry, Grade 9, in video lessons with examples and step-by-step solutions.
