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4.6 Isosceles and Equilateral Triangles.notebook
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October 29, 2013
"Do Now"
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Go Over Quizzie Poos
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Revisit your awesome Triangles Graphic Organizer from Day 1
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Geogebra ExplorationIsosceles Triangles
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Isosceles TriangleTheorem
If two sides of a triangle are congruent(the triangle is isosceles), then the base angles (opposite those congruent sides) are congruent.
Unit 5: Congruent Triangles4.6 Isosceles and Equilateral Triangles
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Isosceles TriangleConverse
If 2 angles in a triangle are congruent, then the sides opposite those angles are congruent. (The triangle is isosceles.)
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Geogebra ExplorationEquilateral Triangles
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Equilateral TriangleCorollaries
A triangle is equilateral if and only if it is equiangular.
Each angle of an equilateral triangle measures 60.
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Partner Work
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