WARM-UP - PowerPoint PPT Presentation

1 / 8
About This Presentation
Title:

WARM-UP

Description:

WARM-UP Name the 5 ways to prove triangles are congruent. What 2 methods can we NEVER use to prove triangles are congruent? What always comes after a triangle ... – PowerPoint PPT presentation

Number of Views:168
Avg rating:3.0/5.0
Slides: 9
Provided by: LosA116
Learn more at: http://www.losal.org
Category:
Tags: warm | exercises | warm

less

Transcript and Presenter's Notes

Title: WARM-UP


1
WARM-UP
  1. Name the 5 ways to prove triangles are congruent.
  2. What 2 methods can we NEVER use to prove
    triangles are congruent?
  3. What always comes after a triangle congruency in
    a proof?

2
Answers to Homework
  • 1) 115 2) 10 3) 7 4) 40
  • 5) 36
  • 6) 1)Given
  • 2) Def. of Rt Triangle
  • 3) Given
  • 4) Reflexive
  • 5) HL (90)
  • 7)1) Given
  • 2) Isc. Tri. Thm.
  • 3) Supps of congruent angles are congruent
  • 4) AAS
  • 5) CPCTC

3
4-6 Using More than One Pair of Congruent
Triangles
  • ?VWS
  • ?TUV
  • ?TVW

4
Given Prove
  • 1)
  • 2)
  • 3)
  • 4)
  • 5)
  • 6)
  • 7)
  1. Given
  2. Reflexive
  3. ASA
  4. CPCTC
  5. Reflexive
  6. SAS
  7. CPCTC

5
Key Points from the Proof
  • ASA
  • CPCTC
  • SAS
  • CPCTC
  • Dont use Reflexive, or any other obvious theorem
  • Just need congruent triangles and CPCTC

6
Example Prove AB CD
  • Key Points
  • ASA
  • CPCTC
  • SAS
  • CPCTC

X
O
C
D
A
B
Y
7
TOO Page 148 34
  • 3)
  • SSS
  • CPCTC
  • SAS
  • CPCTC
  • 4)
  • AAS
  • CPCTC
  • HL
  • CPCTC

8
Homework
  • Page 148 1-9 Written Exercises
  • 7 is 7 steps
  • 8 is 9 steps
  • 9 is 6 steps
Write a Comment
User Comments (0)
About PowerShow.com