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Answers to Review Test #4
1)
2)
3)
4)
Parallel
Neither
Perpendicular
y
2x
5) y
2
x
5
38
5
6) y
1
x
5
37
5
7) x
8) y
2
2
x
3
16) y
1
x
4
17) x
3
17
4
18) y
3
x
7
4
7
19) y
5
x
3
46
3
22
3
27) x
28)
m 1
13
3
20) x 4
21) Angle A is a right angle.
22) If you play a clarinet, then you are a
musician.
23) AM 24 units
24) HJ 2 units, JK 20 units
25) HJ 57 units, JK 3 units
26) x 32 , y 64
4
9) x 5
10) x 3
11) See Graph
12) See Graph
13) See Graph
14) y
1
x
6
15) y
70 , y
32
29)
60
m 2
Given
Given
Given
m 1 m 2
60
120
Addition Prop.
m 1 m 2
m 2& m 3 are
Linear pair
a b
120
180
1
Corresp.
Def. of linear pair
3
m 2& m 3 are
supplementary
s Post.
m 1
m 3
Linear Pair Post.
Def. of cong.
Simplify
m 2 m 3
Def. of suppl.
m 1& m 2 are
supplementary
Def. of suppl.
a b
Converse Consec
Int. s Theor.
180
m 2 m 1
180
Substi. Prop.
s
m 1& m 2 are
supplementary
Def. of suppl.
s
s