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Angle Bisector Construction

Author:
Mark Barela

Here is an angle. Estimate the location of a point D so that the angle ABD is congruent to the angle CBD. Use your tools to create a ray that divides angle ABC into two congruent angles. How close is the ray to going through your point D?

Explain each move you made to bisect the angle. First I ... then I ... then I ...

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