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1. C 2. E 3. F 4. A 5. B 6. D 14. x = 60 ° 15. x = 30 16. x = 134

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1. C 2. E 3. F 4. A 5. B 6. D 14. x = 60 ° 15. x = 30 16. 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. C 2. E 3. F 4. A 5. B 6. D 14. x = 60 ° 15. x = 30 16. x = 134 17. x = 47 18. x = 36 21. 50° 22. 130° 23. 50° 24. 130° 25. 40° 26. 30° 32. y = 32°

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PowerPoint Slideshow about ' 1. C 2. E 3. F 4. A 5. B 6. D 14. x = 60 ° 15. x = 30 16. x = 134' - darius-mcdonald


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slide1

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

4.2a HW pg. 229 #15, 16

1. C 2. E 3. F

4. A 5. B 6. D

14. x = 60° 15. x = 30 16. x = 134

17. x = 47 18. x = 36 21. 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 = 20 16. x = 11

slide2

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. ZYX 10.NML
  • 21. B
slide3

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

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

  • 1. Angles 2. Neither 3. Sides
  • 4. Neither 5. No, RST  PQT 6. Yes, SSS
  • Yes, SSS 16. B 17. B
  • 24.
slide4

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

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

26.

slide5

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

1. Included 3. XYW 5. ZWY

7. XYZ 8. Not enough 9. Enough

10. Enough 11. Not enough 13. Enough

14. Not enough 20. Not enough 21. SAS

25.

27.

Mark Pictures!

slide9

4.5 WS

1.

Given

Def. of angle bisector

Given

Reflexive

AAS

slide14

4.6 WS

1.

Given

Def. of midpoint

Def. of midpoint

Vertical angles

SAS

CPCTC

slide19

Marking Triangles Worksheet

1.

2.

______ _______

by ____________

ABC ECD

______ _______

by ____________

ACB ECD

SAS

AAS

slide20

Marking Triangles Worksheet

3.

4.

______ _______

by ____________

ABC ECD

______ _______

by ____________

ABC EDC

AAS

AAS

slide21

Marking Triangles Worksheet

5.

6.

______ _______

by ____________

ABC ADC

______ _______

by ____________

ABC ADC

SAS

SSS

slide22

Marking Triangles Worksheet

7.

8.

______ _______

by ____________

BAC DAC

______ _______

by ____________

ABC ADC

AAS

ASA

slide23

Marking Triangles Worksheet

9.

10.

______ _______

by ____________

ABD CBD

______ _______

by ____________

ADB CDB

HL

SAS

slide24

Marking Triangles Worksheet

11.

12.

______ _______

by ____________

ADB CDB

______ _______

by ____________

ADB CDB

SAS

SSS

slide25

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

7. 12 8. 16 9. 60°

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

11. x = 20 12. x = 6 13. x = 8

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

17. x = 45°, y = 5° 19. B

slide26

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

slide27

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

pg. 286 #1-6

15. True, SSS 16. not true, BD  CA

17. True, SAS 18. True, HL

19. J  F 20. G  D

24. x = 65° 26. x = 1

1. Equilateral, Acute 2. Right, scalene

3. Isosceles, Obtuse 4. x = 70°

5. x = 30 6. x = 75°

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