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Download DG U2 D18 Isos Vertex Angle Notes FIXED
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Notes: Connecting Information to Find Congruent Parts of Triangles (you can’t just say things are congruent without justification) You can use a midpoint to find congruent sides You can use a segment bisector to find congruent of triangles: sides of triangles: You must do two steps: You can use the Converse of the Isosceles Triangle Conjecture to find congruent sides of triangles: You must do two steps: You must do two steps: You can use the Isosceles Triangle Conjecture to find congruent angles in triangles: You must do two steps: You can sometimes use Parallel Lines to find congruent angles in triangles. You must do two (or three) steps: You must do two steps: You can use perpendicular segments to find congruent angles in triangles. Richard Sudo Tuesday, October 28, 2014 4:05:41 PM CT 00:19:e3:4a:d2:21 p.242 ‐ The Vertex Angle Bisector Conjecture In an isosceles triangle, the bisector of the vertex angle is __________________________________________ and also ___________________________________________________________________ . Statement Richard Sudo Tuesday, October 28, 2014 4:05:41 PM CT Reason 00:19:e3:4a:d2:21
