Find lines of symmetry in 2D shapes
Lesson 9 / 10
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I can find lines of symmetry in 2D shapes and explain the link between lines of symmetry and number of sides in regular polygons.
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A line of symmetry splits the shape into two equal parts which are mirror images.
Shapes are symmetrical when they look the same when a mirror is placed on the mirror line.
Regular polygons have the same number of lines of symmetry as they have sides.
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