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Line or Reflectional Symmetry

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More Lessons for Grade 9 Math

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Videos, solutions, and worksheets to help Geometry and Grade 9 students learn about line symmetry or reflectional symmetry.

Reflectional Symmetry
Symmetry in a figure exists if there is a reflection, rotation, or translation that can be performed and the image is identical. Reflectional symmetry exists when the figure can be folded over onto itself along a line. This line is called the "line of symmetry". In regular polygons, the number of lines of symmetry equals the number of sides in the polygon.
Identify Lines of Symmetry
Learn to identify lines of symmetry

Draw Lines of Symmetry
Learn to draw lines of symmetry


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