Congruent angles

Congruent angles

1. Tools of Ones: To prow nd tharos aporten. comas
Geometry En

Warm-up: TinyURL.com/APespSurv

Algebra Find the value of each variable
1

What is the difference between a postulate and a theorem?

HW: Sect. 26

2. Tools of Obiective To prove end apply thecrems about ongles Geometry HWESect. 26

Geometry E
:

d

Ba

3. (bjective: To prove ond apply theorems about angles

4 land Z2are
vertical angles...

+ SO AZ 22

Linear Pair Post.

transitive
subtraction prop.

def. congruent angles

That is called a "Proof"

4. Tools of | Gite: Toprow end pp theorems abeutengles Concy HWSEERZE
Geometry

5. (bjective: To prove ond apply theorems about angles y HW: Sect. 26

Geometry

6. (jective: To prove and apply theorems about angles

Theorem

>

Theorem
angle (or of congruent

Geometry

and £2 are complements
à 3 and 22 ar

HW: Sect. 26

7. (jective: To prove and apply theorems about angles

Geometry

Theorem
Allright an

Theorem
two angles are congruent

HW: Sect. 26

8. Tools of Objects: To prove end apply theres abou angles
Geometry

Congruent Supplements Theorem:

Given: 21 & 22 are supplementary
43 4 22 are supplementary

So then 21= 23

HW: Sect. 2.6
#132467,
20.230

9. vr

ME

ml Brmd=]Qq 747 bi
Sp te) Ch y

10. Tools of Obiective To prove end apply thecrems about ongles Geometry HWESect. 26

Geometry oe ee

>
Gx — 10)

_ Ss (6y 107 | (y + 10)

ea ><

11. Tools of | Gite: Toprow end pp theorems abeutengles Concy HWSEERZE
Geometry

12. Tools of | Gite: Toprow end pp theorems abeutengles Concy HWSEERZE
Geometry

Practice 2-5
a E