Some simple reflections can be performed easily in the coordinate plane using the general rules below. The fixed line is called the line of reflection. Now we know that our axis of symmetry is exactly one unit below the top functions origin or above the bottom functions origin. When reflecting a figure in a line or in a point, the image is congruent to the preimage.Ī reflection maps every point of a figure to an image across a fixed line. Figures may be reflected in a point, a line, or a plane.
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