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Unit 36 Constructions and Enlargements

Unit 36 Constructions and Enlargements. Unit 36. 36.1 Lines of Symmetry. Draw on each diagram all its lines of symmetry. Complete the diagrams so that each shape has only the lines of symmetry shown by the dotted line. Unit 36. 36.3 Order of Rotational Symmetry.

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Unit 36 Constructions and Enlargements

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  1. Unit 36Constructions and Enlargements

  2. Unit 36 36.1 Lines of Symmetry

  3. Draw on each diagram all its lines of symmetry

  4. Complete the diagrams so that each shape has only the lines of symmetry shown by the dotted line

  5. Unit 36 36.3 Order of Rotational Symmetry

  6. What is the order of rotational symmetry? 2 ? 2 ? 1 or none 3 ? ?

  7. Complete the diagrams below so that they have the given rotational symmetry about the point. Order 4 Order 2 Order 3 Order 4

  8. Unit 36 36.3 Enlargements

  9. Enlarge this shape using the given centre of enlargement and scale factors: (a) 2 (b) 3 What is the ratio of the areas in each case? (a) 4 (b) 9 ? ?

  10. Unit 36 36.4 Finding the Scale Factor and Centre of Enlargement

  11. For each of the shapes give the scale factor and mark the centre of enlargement. ? ? ? ?

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