Question 29 • Mathematics I
A rotation preserves the distance from the center of rotation to every point, so the segment lengths in A are equal. It is a rigid transformation, meaning it preserves lengths and angle measures, as stated in B. Every point turns through the same angle around the center, which is the defining motion described in C. A rotation does not generally make CP parallel to CP′ or map a figure onto itself after a 180-degree turn.
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