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Answer:
A. 80 degrees
B. 125 degrees
C. 60 degrees
D. 75 degrees
E. 36 degrees, 144 degrees
F. 90 degrees
G. 70 degrees
H. 56 degrees, 56 degrees
Step-by-step explanation:
Using the formula of straight line
x+y=180 degrees
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(a) 180-100=80
(b) 180-55= 125
(c) 180-120=60
(d) 180-105=75
(e) 180-40=140
(f ) 60+30= 90=> 180-90=90
(g) 35+75=110=> 180-110= 70
(h) 180-68= 112=> 180-112=68=> 112-68=44
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