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Foundations of Euclidean Geometry
Analytic Foundations of Euclidean Geometry
Euclidean Foundations: Verifying the Basic Isometries
Euclidean Foundations: Reflection Is an Isometry
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Since the pre-image of a reflection and the image after the reflection is still congruent (same shape and size), reflection is, therefore, an isometry. (You're welcome to try it…
By Alexandra Yeoh
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