CBSE Class 9 Answered
In
figure, if line segment AB intersects CD at O such that OAD = 800, ODA= 500 and OCB= 400, then find OBC.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
In AOD
ADO+OAD+AOD = 180o (Angle sum property of)
BOC = 50o (Vertically opposite angles of)
Now, in COB
OCB+OBC+BOC = 180o
OBC = 90o (Angle sum property of)
Answered by | 04 Jun, 2014, 03:23: PM
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