4.1 HW pg. 221  #1-6, 14-18, 21-26, 32, 33, 35
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1. C2. E3. F 4. A5. B6. D 14. x = 60 °15. x = 3016. x = 134 PowerPoint PPT Presentation


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4.1 HW pg. 221 #1-6, 14-18, 21-26, 32, 33, 35 4.2a HW pg. 229 #15, 16. 1. C2. E3. F 4. A5. B6. D 14. x = 60 °15. x = 3016. x = 134 17. x = 4718. x = 3621. 50° 22. 130°23. 50°24. 130° 25. 40°26. 30°32. y = 32°

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1. C2. E3. F 4. A5. B6. D 14. x = 60 °15. x = 3016. x = 134

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4.1 HW pg. 221 #1-6, 14-18, 21-26, 32, 33, 35

4.2a HW pg. 229 #15, 16

1. C2. E3. F

4. A5. B6. D

14. x = 60°15. x = 3016. x = 134

17. x = 4718. x = 3621. 50°

22. 130°23. 50°24. 130°

25. 40°26. 30°32. y = 32°

33. x = 118°, y = 96° 35. x = 26°, y = 64°

15. x = 2016. x = 11


4.2b HW pg. 228 #3, 5-10, 21

4.3 HW pg. 237 #1-7, 16, 17, 24, 26

  • 3.

  • BCA  EFD

  • 124° 6. 33°7. 8

  • 8. 9. ZYX10.NML

  • 21. B


4.2b HW pg. 228 #3, 5-10, 21

4.3 HW pg. 237 #1-7, 16, 17, 24, 26

  • 1. Angles2. Neither3. Sides

  • 4. Neither5. No, RST  PQT6. Yes, SSS

  • Yes, SSS16. B17. B

  • 24.


4.2b HW pg. 228 #3, 5-12, 21

4.3 HW pg. 237 #1-7, 16, 17, 24, 26

26.


4.4 HW pg. 243 #3-7odd, 9-11, 13, 14, 20, 21, 25, 27, 35, 37, 38

1. Included 3. XYW5. ZWY

7. XYZ 8. Not enough9. Enough

10. Enough 11. Not enough 13. Enough

14. Not enough 20. Not enough21. SAS

25.

27.

Mark Pictures!


4.4 HW pg. 243 #3-7odd, 9-11, 13, 14, 20, 21, 25, 27, 35, 37, 38

35.


4.4 HW pg. 243 #3-7odd, 9-11, 13, 14, 20, 21, 25, 27, 35, 37, 38

37.


4.4 HW pg. 243 #3-7odd, 9-11, 13, 14, 20, 21, 25, 27, 35, 37, 38

38.


4.5 WS

1.

Given

Def. of angle bisector

Given

Reflexive

AAS


4.5 WS

2.


4.5 WS

3.


4.5 WS

4.


4.5 WS

5.


4.6 WS

1.

Given

Def. of midpoint

Def. of midpoint

Vertical angles

SAS

CPCTC


4.6 WS

2.


4.6 WS

3.


4.6 WS

4.


4.6 WS

5.


Marking Triangles Worksheet

1.

2.

______ _______

by ____________

ABC ECD

______ _______

by ____________

ACB ECD

SAS

AAS


Marking Triangles Worksheet

3.

4.

______ _______

by ____________

ABC ECD

______ _______

by ____________

ABC EDC

AAS

AAS


Marking Triangles Worksheet

5.

6.

______ _______

by ____________

ABC ADC

______ _______

by ____________

ABC ADC

SAS

SSS


Marking Triangles Worksheet

7.

8.

______ _______

by ____________

BAC DAC

______ _______

by ____________

ABC ADC

AAS

ASA


Marking Triangles Worksheet

9.

10.

______ _______

by ____________

ABD CBD

______ _______

by ____________

ADB CDB

HL

SAS


Marking Triangles Worksheet

11.

12.

______ _______

by ____________

ADB CDB

______ _______

by ____________

ADB CDB

SAS

SSS


4.7 HW pg. 267 #7-13, 15-17, 19

7. 128. 169. 60°

10. Base Angles: 37°, vertex angle: 106°

11. x = 2012. x = 613. x = 8

15. x = 39°, y = 39°16. x = 48°, y = 70°

17. x = 45°, y = 5°19. B


Ch 4 Review pg. 282-285 #3, 5, 6-20, 24, 26

pg. 286 #1-6

3. Isosceles: 2 congruent sides. Scalene: No congruent sides

5.

6. x = 45°, Exterior angle = 65° 7. x = 15°, Exterior angle = 120°

8. x = 9°, Exterior angle = 90° 9. 60°

10. 15m11. 60°12. 50°13. x = 18 14. x = 11


Ch 4 Review pg. 282-285 #3, 5, 6-20, 24, 26

pg. 286 #1-6

15. True, SSS16. not true, BD  CA

17. True, SAS18. True, HL

19. J  F20. G  D

24. x = 65°26. x = 1

1. Equilateral, Acute2. Right, scalene

3. Isosceles, Obtuse4. x = 70°

5. x = 306. x = 75°


Proof Review Worksheet

1.


Proof Review Worksheet

2.


Proof Review Worksheet

3.


Proof Review Worksheet

4.


Proof Review Worksheet

5.


Proof Review Worksheet

6.


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