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Is reflecting a congruence transformation?
YES ---- Explanation: An isometry is a distance-preserving mapping. . Geometric figures which can be related by an isometry are called congruent. Reflection preserves distance so it is an isometry. It reverses orientation so it is called an indirect orientationl
Which properties are not preserved by an isometry?
An isometry preserves distances and angles between points, meaning that the shape and size of geometric figures remain unchanged. However, it does not necessarily preserve properties such as orientation (e.g., a reflection changes the orientation) or the position of points in space (e.g., a translation moves points). Additionally, while the overall configuration may remain intact, specific coordinates of points may change.
Is a rotation a isometry?
Not always
How are the size and the orientation of the triangle affected by the rotation?
The size does not change and the orientation is altered by the extent of the rotation.
Does a reflection change the orientation?
In general, yes.
