Rotation

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Rotation

  1. 1. Rotations How to transform a shape with a rotation Tuesday 2 June 2009
  2. 2. Transform the triangle with a anti-clockwise 90 0 rotation about the point (5, 1) 0 1 2 3 4 5 6 7 8 9 x 1 9 8 7 6 5 4 3 2 y
  3. 3. Transform the triangle with a anti-clockwise 90 0 rotation about the point (5, 1) 1. Draw a line from (5, 1) to any vertex (corner) of the shape. 0 1 2 3 4 5 6 7 8 9 x 1 9 8 7 6 5 4 3 2 y
  4. 4. Transform the triangle with a anti-clockwise 90 0 rotation about the point (5, 1) 1. Draw a line from (5, 1) to any vertex (corner) of the shape. 2. Trace the shape, centre and line from the centre to a corner 0 1 2 3 4 5 6 7 8 9 x 1 9 8 7 6 5 4 3 2 y
  5. 5. Transform the triangle with a anti-clockwise 90 0 rotation about the point (5, 1) 1. Draw a line from (5, 1) to any vertex (corner) of the shape. 2. Trace the shape, centre and line from the centre to a corner 3. Draw a line 90 0 anti-clockwise from the centre (5, 1). 0 1 2 3 4 5 6 7 8 9 x 1 9 8 7 6 5 4 3 2 y
  6. 6. Transform the triangle with a anti-clockwise 90 0 rotation about the point (5, 1) 1. Draw a line from (5, 1) to any vertex (corner) of the shape. 2. Trace the shape, centre and line from the centre to a corner 3. Draw a line 90 0 anti-clockwise from the centre (5, 1).. 4. Use this line as the guide with the tracing paper for the transformation. 0 1 2 3 4 5 6 7 8 9 x 1 9 8 7 6 5 4 3 2 y

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