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How to Translate, Reflect, and Rotate in GeoGebra

How to REFLECT ABOUT LINE

Try it for yourself here! Construct a line, and reflect the colored triangle about that line so its image is the outlined triangle on the right.

How to TRANSLATE BY VECTOR

Try it for yourself here! Construct a vector, and then translate the colored triangle by that vector so this colored triangle's image is the outlined triangle.

How to ROTATE AROUND A POINT

Try it for yourself here! Rotate the colored triangle about (0,0) so its image is the outlined triangle.