Geometry 4.10 (4.5) complete 1.5.2015.notebook · 05.01.2016  · Geometry 4.10 (4.5) complete...

Geometry 4.10 (4.5) complete 1.5.2015.notebook January 05, 2016

Do Now

Mastery ObjectiveYou will be able to:• Apply the principles of CPCTC

Language Objective• Formulate a proof based on the principles of CPCTC

4.10 Using Congruent Triangles

Geometry 4.10 (4.5) complete 1.5.2015.notebook January 05, 2016

CPCTCCorresponding Parts of Congruent Triangles are Congruent

A F

E

DC

B

Geometry 4.10 (4.5) complete 1.5.2015.notebook January 05, 2016

Example 1:

Statements                           Reasons

Example 2:

A

B

CD

Given: AB = CB            D is the midpoint of AC.Prove:    ABD =    CBD

~

~

1. AB = CB2. D is the midpoint of AC3.4.5.6.

1. given2. given3.4.5.6.

~

Geometry 4.10 (4.5) complete 1.5.2015.notebook January 05, 2016

Statements                           Reasons

Example 3:

AD = EC~

1. B is the midpoint of AE.2.3. B is the midpoint of CD.4.5.6.7.

1. given2.3. given4.5.6.7.

Example 4:

Geometry 4.10 (4.5) complete 1.5.2015.notebook January 05, 2016

Homework4.10 Worksheet