Investigate Triangle Angle-Bisector Theorem

Author:
Dawn Brailsford, Jason Wofsey, Ralph Hameni Bieleu
Topic:
Angles, Geometry, Triangles

Select the side lengths and ratios check to see the measure.

What do you notice about ABD and CBD? What does this tell you about segment BD?

Move the points A, B, or C to create different triangles. Compare the ratios of BA to BC and DA to DC. What can you conclude?

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