Post on 02-Jan-2016
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1. If BAE ?, then segments AB and ED would be parallel.
A
DB
FE
DEF Corresponding Angles Converse Postulate
2. If m3 = m10, which two lines (if any) must be parallel?
l
m
a b 2 31 4
9 1011 12
5 67 8
13 1415 16
a ll b
Corresponding Angles Converse Postulate
3. If m8 = m12, which two lines (if any) must be parallel?
l
m
1 2 3 4
9 10 11 12
5 6 7 8
m ll n
Corresponding Angles Converse Postulate
k
n
4. If m1 = m9, which two lines (if any) must be parallel?
l
m
1 2 3 4
9 10 11 12
5 6 7 8
k ll n
Corresponding Angles Converse Postulate
k
n
5. If m3 = m7, which two lines (if any) must be parallel?
l
m
1 2 3 4
9 10 11 12
5 6 7 8
k llm
Corresponding Angles Converse Postulate
k
n
6. If BAE DEF , then which segments must be parallel.
A
DB
FE
Corresponding Angles Converse PostulateAB ll DE
7. If DEF ?, then segments BD and AF would be parallel.
A
DB
FE
BDE Alternate Interior Angles Converse Theorem
8. If DBE ?, then segments BD and AF would be parallel.
A
DB
FE
BEA Alternate Interior Angles Converse Theorem
9. If m1 = m4, which two lines (if any) must be parallel?j
m 1 4
n llm
Alternate Interior Angles Converse Theorem
kn
2 3
10. If m11 = m3, which two lines (if any) must be parallel?
l
m
a b 2 31 4
9 1011 12
5 67 8
13 1415 16
a ll b
Alternate Interior Angles Converse Theorem
11. If m4 = m9, which two lines (if any) must be parallel?
l
m
1 2 3 4
9 10 11 12
5 6 7 8
k ll n
k
nAlternate Interior Angles Converse Theorem
12. If BDE DEF , then which segments must be parallel.
A
DB
FE
BD ll AF Alternate Interior Angles Converse Theorem
13. If m1 + m 2 = m 3 + m4, which two lines (if any) must be parallel?R
1 2
3 4
Alternate Interior Angles Converse Theorem
SX
TY
Q
RS ll TQ
14. If DEA ?, then segments DE and FB would be parallel.
A
CD
B
E
CFB Alternate Exterior Angles Converse Theorem
F
1
2
15. If WAZ ?, then segments AZ and XB would be parallel.
A
ZW
YX
XBY Alternate Exterior Angles Converse Theorem
B
16. If m5 = m12, which two lines (if any) must be parallel?
l
m
a b 2 31 4
9 1011 12
5 67 8
13 1415 16
none
17. If m10 = m1, which two lines (if any) must be parallel?
l
m
a b 2 31 4
9 1011 12
5 67 8
13 1415 16
a ll b
Alternate Exterior Angles Converse Theorem
18. If 12 and 14 are supplementary, which two lines (if any) must be parallel?
l
m
a b 2 31 4
9 1011 12
5 67 8
13 1415 16
Consecutive interior Angles Converse Theorem
l llm
19. If m8 + m10 = 180, which two lines (if any) must be parallel?
l
m
1 2 3 4
9 10 11 12
5 6 7 8
m ll n
Consecutive Interior Angles Converse Theorem
k
n
20. If mABD + mBDE = 180 , then which segments must be parallel.
A
DB
FE
Consecutive Interior Angles Converse TheoremAB ll DE