G2: Transformation and congruence

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  • Created by: daniella
  • Created on: 26-06-13 01:16

G2: Background: Translation

What must you include in translations?

  • vectors (how many up and down)

What are vectors?

  • two numbers in big brackets on top of eachother
  • top number - distance across
  • bottom number - distance down

What if the number is left then down?

they are minus numbers

1 of 2

G2: Background: Rotation

What do you need to include:

  • angle
  • direction
  • centre of rotation

How can you find the centre of rotation

1.) join two corosponding points

2.) find the line perpendicular to it

3.) do the same for another two points

2 of 2

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