4.1.2

LinesAngles2

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Symmetry and Rotation

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Line of symmetry

  • A line of symmetry of a polygon (shape) is a line which divides the shapes into two halves which are mirror images of each other.
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Order of rotation

  • The order of rotational symmetry of a polygon (shape) is the number of times you can rotate it and have it look exactly the same.
  • This rectangle has an order of rotation of 2.

Jump to other topics

1Number

1.1Place Value

1.2Factors & Multiples

1.3Operations

1.4Fractions, Decimals & Percentages

1.5Growth & Decay

1.6Measurements & Units

1.7Accuracy

2Algebra

3Ratio, Proportion & Rates of Change

4Geometry & Measures

5Probability

6Statistics

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