Triangle Congruence Extra - Denton ISD
Name _________________________________________
Period ____
GP
UNIT #7: TRIANGLE CONGRUENCE
Congruent Polygons
AAS
Congruence
Corresponding Parts
SSS
HL
Statement
CPCTC
SAS
ASA
Dates, assignments, and quizzes subject to change without advance notice
Monday
Tuesday
Block Day
Friday
7/8 CONGRUENT POLYGONS SSS AND SAS
9 ASA, AAS, and HL
12 Proofs
13 QUIZ CPCTC
14/15
16
REVIEW
TEST ? (PROOFS)
TEST
Wednesday, 11/7/12 or Thursday, 11/8/12 4-3 and 4-4: Congruent Triangles, SSS and SAS
I can use the properties of equilateral triangles to find missing side lengths and angles. I can write a congruency statement representing two congruent polygons. I can identify congruent parts of a polygon, given a congruency statement. I can prove triangles are congruent using SSS, ASA. PRACTICE: pg. 234 #3-11, 19, 22-25, 31 (15 problems) Triangle Congruence Worksheet #1
Friday, 11/9/12 4-5: ASA, AAS, and HL
I can prove triangles are congruent using ASA, AAS, and HL I can mark pieces of a triangle congruent given how they are to be proved congruent. PRACTICE: Triangle Congruence Worksheet #2
Monday, 11/12/12 Triangle Congruence Proofs
I can write a two-column proof to show that two triangles are congruent. PRACTICE: Triangle Proofs Worksheet Part 1
Tuesday, 11/13/12 4-6: Triangle Proofs with CPCTC
QUIZ
I can write a two-column proof to show that two triangles are congruent. PRACTICE: Triangle Proofs Worksheet Part 2
Wednesday, 11/14/12 or Thursday, 11/15/12
Review
Test: Triangle Properties (Proofs)
I can assess my knowledge and prepare for the test. PRACTICE: Review Worksheet
Friday, 11/16/12
Test: Triangle Properties
Name __________________________ Period ______ Triangle Congruence
I. Name the congruent triangles.
1. OGD ________
2. RAC ________
C
G
GH O
3. LIN _______ I A
A
R E
4. FOX ______
O
F
O
L
N R
E
X
B
X
II. Name the congruent triangle and the congruent parts.. 7.
FGH ______
EFI _____
FG _____
G _____
GH _____
H _____
FH _____
Use the congruency statement to fill in the corresponding congruent parts.
8. EFI HGI
E _____
FE _____
EFI _____
FI _____
FIE _____ IE _____
9. PQR MNR . Find x.
Q
x? R
M
P
35o N
10. ABC ADC. Find y.
A
(3y)?
21?
D
C
B
Third Angles Theorem (add to Theorems, Postulates and Definitions Card) ?
Triangle Congruence Worksheet #1
For each pair of triangles, tell which postulates, if any, make the triangles congruent.
12. ABC EFD
______________
13. ABC CDA ______________
C F
C
B
A
B D
E
14. ABC EFD
C
______________
F
D
A
15. ADC BDC ______________
C
A
B D
E
A D
B
21. MAD MBC ______________
D
C
ABE CDE
D
______________
C
E
A
M
B
A
B
23. ACB ADB
C
______________ 23.
______________
A
B
D
23.
______________
Triangle Congruence Worksheet #2
I. For each pair of triangles, tell which postulate, if any, can be used to prove the triangles congruent.
1. AEB DEC ______________
A
E
C
B
D
2. CDE ABF ______________
D
C
F
E
A
B
3. DEA BEC ______________
A
B
E
4. AGE CDF ______________
D
5. RTS CBA
C
______________
T
S
C
R
A
B
6. ABC ADC ______________
B
A
C
D
7. BAP BCP ______________ Given: BD bisects ABC
A
8. SAT SAR ______________
R
A
S
B
P
D
T
C
................
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