Rotations

How to transform a shape with a rotation

Thursday 13 April 2023

0 1 2 3 4 5 6 7 8 9 x

1

98765432

y

Transform the triangle with a anti-clockwise 900 rotation about the point (5, 1)

0 1 2 3 4 5 6 7 8 9 x

1

98765432

y

Transform the triangle with a anti-clockwise 900 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

98765432

y

Transform the triangle with a anti-clockwise 900 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

98765432

y

Transform the triangle with a anti-clockwise 900 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 900 anti-clockwise from the centre (5, 1).

0 1 2 3 4 5 6 7 8 9 x

1

98765432

y

Transform the triangle with a anti-clockwise 900 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 900 anti-clockwise from the centre (5, 1)..

4. Use this line as the guide with the tracing paper for the transformation.