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Licensed only for non-commercial use.

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Anglebisector

The
above construction illustrates an angle bisector.

Drag
points A and B to change angle ACB. What do you notice about the
measures of angles ACG and GCB?

Drag
point F to change the radius of the two purple circles. What do
you notice about ray CG?

Move
point H to change the intersection points E and D. At what
point does this construction no longer hold true?

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