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Dilations Advanced Geometry Similarity Lesson 1A.

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Presentation on theme: "Dilations Advanced Geometry Similarity Lesson 1A."— Presentation transcript:

1 Dilations Advanced Geometry Similarity Lesson 1A

2 Transformation Rigid transformation congruence transformation isometry - the movement of a figure in a plane from its original position to a new position does not change the size or shape of the figure Translation Reflection Rotation

3 Scale Factor Definition – a similarity transformation in which a figure is enlarged or reduced using a scale factor not equal to zero Definition – the ratio of the lengths of two corresponding sides of two polygons or solids Dilation r

4 Reduction Definition – a dilation in which Enlargement

5 Go to Word Document.

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