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Angle Bisectors

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Note that you are looking at a bisection of Angle Line , the red one, is supposed to cut the angle in half, meaning Angle (blue) and Angle (yellow) would be equal. Move Dots , , or to make the blue and yellow angles the same number.

Angle Bisector Discovery

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Observe the chart below, make a conjecture (general rule; observation; pattern) about what happens to the segment lengths, when the angles are congruent (equal). Sentence frame: When and are _______, then the lengths of and are _______ If you don't believe it yet, try to disprove it.