Testing congruence with transformations
Click and drag the pre-image to translate it. Click the Reflection, Rotation boxes to see their controls. Click the "Set Transformation" buttons to set the transformations
Rotation: Move center of rotation to where it is needed. Move the angle of rotation by dragging the point H. Set the angle of rotation by moving the black diamond. Reflection: Move points K and L to set the line of reflection. Click the "Show Reflection" box to see the reflection.