21. In the given figure, AB || CD. If
ABO =130° and OCD = 110°,
then BOC = ?
(a) 50° (b) 60°
1100
1300
(c) 70°
(d) 80°
Answers
Answered by
24
Given angle ABO=130 and angle OCD=110
angle OBC=180-130=50
angle OCB=180-110=70
50+70+angle BOC=60
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