Chapter 4 Review Answers
- right, scalene2. obtuse isosceles
3. equilateral, equiangular4. 51
5. 186. <T
7. 488. SP
9. HS10. 73
11. JTM12. x = 17, y = 17
13. yes, SSS (XZ XZ)14. no
15. yes, SAS16. yes, HL or AAS
17.
- PN bisects <MNOa. given
- <MNP <ONPb. def of bisector
- MN ONc. given
- NP NPd. reflexive
- MNP ONPe. SAS
18.
a. AB ADa. given
b. BC CDb. given
c. AC ACc. Reflexive
d. ABC ADCd. SSS
19.
a. AD CBa. given
b. AD ll CBb. given
c. <CAD <BCAc. alt. int. <’s are congruent
d. AC ACd. Reflexive
e. ABC CDAe. SAS
20. <C <F21. <C <F
22. CB FE23. <A <D
24.
a. given
b. alt. int. angles are congruent
c. given
d. VARC
e. ASA
25. ADY YBA26. TUA VUA
a. <D <Ba. <T <V
b. <DAY <BYAb. <TAU <VAU
c. <DYA <BAYc. <TUA <VUA
d. AD YBd. TU VU
e. DY BAe. UA UA
f. AY YAf. TA VA
27. NKH TMG 28.
a. <K <Ma. given
b. <N <Tb. given
c. <KHN MGTc. def. of bisector
d. NK TMd. reflexive
e. KH MG e. SAS
f. NH TGf. CPCTC
29.
a. MZ NTa. given
b. MQ ll NTb. given
c. <NTM <QMTc. alt. int. angles are congruent
d. MT MTd. reflexive
e. QMT NTMe. SAS
f. MN TQf. CPCTC
30.
- O is the midpoint of NPa. given
- NO POb. def. of midpoint
- <SON <POPc. VARC
- <N <Pd. given
- SON ROPe. ASA
- SO ORf. CPCTC
- O is the midpoint of SRg. def. of midpoint
31. 1, 332. 11, 8
33. GR GH34. TN & HN
35. G36. x = 72, y = 36
37. x = 45, y = 13538. x = 18
39. x = 22.540. BONUS