Reflect

Two objects, Quad and Triang, are shown. Their images after reflection in line HI are shown. Images are shown with an apostrophe.

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Drag points A, B, C or D or points D, E or F to change the objects. Notice the effects on the reflected images.

Drag points H or I to change the line of reflection. Observe the effects on the reflections.

Barry Kissane, Created with GeoGebra