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Geometry: Rigid Transformations
Rotating a Figure 180 Degrees Counterclockwise
Description
Rotating a Figure 180 Degrees Counterclockwise
Introduction
A 180° rotation turns a figure halfway around a fixed point. On a coordinate plane, a coordinate rule can be used to find the image of a figure after a 180° rotation about the origin.
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Transcript
Merin is working on a geometry problem where she needs to rotate trapezoid MNOP 180 degrees counterclockwise about the origin.
She starts by listing the coordinates of each vertex, which are (-5, 2) for M, (-4, 4) for N, (-2, 4) for O, and (-2, 2) for P.
A 180-degree counterclockwise rotation about the origin follows the rule (x, y) ...
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