Symmetry

Maths

Class 7

Identify pairs of mirror images and lines of symmetry. Match a reflected image with a line of reflection. Define Planes of symmetry. Define line of symmetry and relate it to reflections in a mirror. Identify shapes that possess one or more lines of symmetry. Identify lines of symmetry for a given shape. Complete shapes using symmetry requirements. Identify the lines of symmetry of regular polygons with 6 or fewer sides. Deduce that a regular polygon with n sides has n lines of symmetry. Identify the mirror image of a point across a given line of symmetry.

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The number of lines of symmetry in a scalene triangle is:

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A scalene triangle hasĀ

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An isosceles triangle?

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