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Centre and angle of rotation

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Presentation on theme: "Centre and angle of rotation"— Presentation transcript:

1 Centre and angle of rotation
By Dominic Bradley

2 Imagine a rectangle C B D A

3 That rotates around a point
C B D A

4 To give a new rectangle C B B D C A A D

5 Or rotates even further
C B B D C A A D B A C D

6 Each point rotates on a circle around the origin of rotation
B B D C A A D B A C The centre of rotation is the point around which an object moves. It is always the same distance from the moving point. D

7 The angle of rotation is between the origin and each point that moves

8 Join the 2 points “A” to the Centre of Rotation
B B D C A A D B X A C D Measure the angle created to give the Angle of Rotation


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