Angle OAB=angle ABC (AO Parallel CB)
Angle ABC=20°
SO, Angle AFD-ABC=EFB ( Exterior angle property)
120°-20°=100°
SO,Angle CFD =100°(Vertically opposite angle)
THANK YOU
Written on Feb. 25, 2017, 10:34 a.m.
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Answer of this question
q.no.4&5
100°
Angle OAB=angle ABC (AO Parallel CB)
Angle ABC=20°
SO, Angle AFD-ABC=EFB ( Exterior angle property)
120°-20°=100°
SO,Angle CFD =100°(Vertically opposite angle)
THANK YOU
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