+ All Categories
Transcript
Page 1: 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

4.6 Isosceles and Equilateral Triangles.notebook

1

October 29, 2013

"Do Now"

Page 2: 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

4.6 Isosceles and Equilateral Triangles.notebook

2

October 29, 2013

Go Over Quizzie Poos

Page 3: 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

4.6 Isosceles and Equilateral Triangles.notebook

3

October 29, 2013

Revisit your awesome Triangles Graphic Organizer from Day 1

leg

legbase

12

3

Page 4: 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

4.6 Isosceles and Equilateral Triangles.notebook

4

October 29, 2013

Geogebra ExplorationIsosceles Triangles

Page 5: 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

4.6 Isosceles and Equilateral Triangles.notebook

5

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

Page 6: 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

4.6 Isosceles and Equilateral Triangles.notebook

6

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.)

Page 7: 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

4.6 Isosceles and Equilateral Triangles.notebook

7

October 29, 2013

Geogebra ExplorationEquilateral Triangles

Page 8: 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

4.6 Isosceles and Equilateral Triangles.notebook

8

October 29, 2013

Equilateral TriangleCorollaries

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

Each angle of an equilateral triangle measures 60.

Page 9: 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

4.6 Isosceles and Equilateral Triangles.notebook

9

October 29, 2013

Page 10: 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

4.6 Isosceles and Equilateral Triangles.notebook

10

October 29, 2013

Page 11: 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

4.6 Isosceles and Equilateral Triangles.notebook

11

October 29, 2013

Partner Work

Page 12: 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

4.6 Isosceles and Equilateral Triangles.notebook

12

October 29, 2013


Top Related