Chapter 4: Triangle Congruence

Slides:

Advertisements

Similar presentations

Chapter 4: Congruent Triangles Objective: To recognize congruent triangles and their corresponding parts. Key Vocabulary: Congruent Triangles.

Advertisements

Bellwork Are these triangles congruent? How? Clickers.

Chapter 4: Triangle Congruence Missy McCarthy Okemos High School Math Instructor.

The Isosceles Triangles Theorems Section 4-6 Isosceles Triangle Theorem  If 2 sides of a triangle are congruent, then the angles opposite those sides.

Isosceles and Equilateral Triangles Chapter 4 Section 5.

Isosceles, Equilateral, and Right Triangles Sec 4.6 GOAL: To use properties of isosceles, equilateral and right triangles To use RHL Congruence Theorem.

4.5 Isosceles and Equilateral Triangles. Isosceles Triangles At least two sides are of equal length. It also has two congruent angles. Base Angles Base.

1 4-5 Isosceles and Equilateral Triangles State and apply the Isosceles Triangle Theorem and its converse State and apply the corollaries for equilateral.

Use Isosceles and Equilateral Triangles

Quiz Tell whether the pair of triangles is congruent or not and why

4-6 Isosceles & Equilateral Triangles

4-5 Isosceles and Equilateral Triangles

CH. 4.7 USE ISOSCELES & EQUILATERAL TRIANGLES. VOCAB Leg: 2 sides of isosceles triangle Leg Vertex Angle: Angle formed by the two legs Base: 3 rd side.

Section 4-4: The Isosceles Triangle Theorems

Section 4-5: Isosceles and Equilateral Triangles.

Chapter 4: Triangle Congruence MISSY MCCARTHY OKEMOS HIGH SCHOOL MATH INSTRUCTOR.

Chapter 4: Triangle Congruence Missy McCarthy Okemos High School Math Instructor.

Isosceles Triangle ABC Vertex Angle Leg Base Base Angles.

4.6: Isosceles and Equilateral Triangles

Lesson 4-9: Isosceles and Equilateral Triangles

Warm Up 1. Find each angle measure. True or False. If false explain.

4.3 ISOSCELES AND EQUILATERAL TRIANGLES. VOCABULARY Two angles of an isosceles triangle are always congruent. These are the angles opposite the congruent.

Analyzing Isosceles Triangles Chapter 4, Section 6.

Unit 4: Triangle Congruence 4.8 Isosceles and Equilateral Triangles (Part 2)

Triangles Chapter What is the sum of the angles inside a triangle? 180º? Prove it m Given A B C Angle Addition Postulate/Definition of a Straight.

Sect. 4.6 Isosceles, Equilateral, and Right Triangles

If we take an equilateral (and equiangular) triangle

Isosceles and Equilateral Triangles

4-8 Isosceles and Equilateral Triangles Warm Up Lesson Presentation

4-5 Isosceles and Equilateral Triangles

Bell Ringer 10/21/

The Isosceles Triangle Theorems

Objectives Prove theorems about isosceles and equilateral triangles.

Date: Topic: Isosceles Triangle Theorem (6.1.C)

Vocabulary Corollary Base angles Vertex angles.

Proving Triangles Congruent

Section 3-4 Angles of a Triangle.

Types of Triangles and Their Properties

Proving Theorems about Isosceles Triangles (5.6.2)

Section 4.5 isosceles & equilateral triangles

Chapter 4: Congruent Triangles

Objective: To use and apply properties of isosceles triangles.

Chapter 10: Perimeter, Area & Circumference

Lesson 3-2 Isosceles Triangles.

Chapter 6: Polygons and Parallelograms

Chapter 1: Foundations of Geometry

(The Isosceles Triangle Theorems)

Chapter 2: Geometric Reasoning

Triangles and Angles Section 4.1 and 4.2.

4.1 Congruent Figures -Congruent Polygons: have corresponding angles and sides -Theorem 4.1: If 2 angles of 1 triangle are congruent to 2 angles of another.

Chapter 1: Foundations of Geometry

Isosceles, Equilateral, and Right Triangles

Chapter 1: Foundations in Geometry

Chapter 6: Polygons and Parallelograms

Types of Triangles Thursday, 11 April 2019.

Types of Triangles Thursday, 11 April 2019.

Lesson 6.7 Congruent Triangles pp

Isosceles, Equilateral, and Right Triangles

(The Isosceles Triangle Theorems)

Chapter 1: Foundations of Geometry

4.1 – Apply triangle sum properties

4.8 – Use Isosceles and Equilateral Triangles

Chapter 4: Triangle Congruence

Chapter 2: Geometric Reasoning

Chapter 4: Triangle Congruence

Chapter 2: Geometric Reasoning

Chapter 3: Parallel & Perpendicular Lines

Chapter 5: Properties & Attributes of Triangles

Chapter 4 Congruent Triangles.

Chapter 2 Reasoning and Proof.

Presentation transcript:

Chapter 4: Triangle Congruence Section 9: Isosceles & Equilateral Triangles Megan Frantz Okemos High School Math Instructor

I Can Prove theorems about isosceles and equilateral triangles Apply properties of isosceles and equilateral triangles

Isosceles Triangles

Isosceles Triangles

Prove it!!

Isosceles Triangles

Example

Corollaries

Example Find the value of x. Find the value of y.

I Can Prove theorems about isosceles and equilateral triangles Apply properties of isosceles and equilateral triangles