# Download - 4.6 Isosceles and Equilateral Triangles.notebook · 4.6 Isosceles and Equilateral Triangles.notebook 5 October 29, 2013 Isosceles Triangle Theorem If two sides of a triangle are congruent

Transcript
• 4.6 Isosceles and Equilateral Triangles.notebook

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October 29, 2013

"Do Now"

• 4.6 Isosceles and Equilateral Triangles.notebook

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Go Over Quizzie Poos

• 4.6 Isosceles and Equilateral Triangles.notebook

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Revisit your awesome Triangles Graphic Organizer from Day 1

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• 4.6 Isosceles and Equilateral Triangles.notebook

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October 29, 2013

Geogebra ExplorationIsosceles Triangles

• 4.6 Isosceles and Equilateral Triangles.notebook

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October 29, 2013

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

Date

• 4.6 Isosceles and Equilateral Triangles.notebook

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October 29, 2013

Isosceles TriangleConverse

If 2 angles in a triangle are congruent, then the sides opposite those angles are congruent. (The triangle is isosceles.)

• 4.6 Isosceles and Equilateral Triangles.notebook

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October 29, 2013

Geogebra ExplorationEquilateral Triangles

• 4.6 Isosceles and Equilateral Triangles.notebook

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October 29, 2013

Equilateral TriangleCorollaries

A triangle is equilateral if and only if it is equiangular.

Each angle of an equilateral triangle measures 60.

• 4.6 Isosceles and Equilateral Triangles.notebook

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October 29, 2013

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October 29, 2013

• 4.6 Isosceles and Equilateral Triangles.notebook

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October 29, 2013

Partner Work

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October 29, 2013

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