Understand similarity in terms of similarity
transformations.

Collection Contents


Standards: G.SRT.1a, G.SRT.1b, G.SRT.2, G.SRT.3
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Verify experimentally the properties of dilations given by a center and a scale factor: A dilation takes a line not passing through the center of the dilation to a parallel line, and leaves a line passing through the center unchanged.
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Verify experimentally the properties of dilations given by a center and a scale factor: The dilation of a line segment is longer or shorter in the ratio given by the scale factor.
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Given two figures, use the definition of similarity in terms of similarity transformations to decide if they are similar; explain using similarity transformations the meaning of similarity for triangles as the equality of all corresponding pairs of angles and the proportionality of all corresponding pairs of sides.
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Use the properties of similarity transformations to establish the AA criterion for two triangles to be similar.
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