CBSE Class 9 Answered
My question is
Asked by 100.akash | 14 Sep, 2008, 12:40: PM
Expert Answer
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In 
OAB & ODC
OD = OA (Given)
OC = OB (Given)
AB = CD (Given)
OAB 
ODC
OAD =ODA (Angle opposite to equal sides)
OCB =OBC (Angle opposite to equal sides)
OAB =ODA (By cpct)
OBA =OCD (By cpct)
OAD + OAB +OBA +OBC+ OCB +OCD+ ODC+ODA =3600
OAD + OABOBA +OBC = 1800 (Composite pairs)
BC is parallel to AD
Answered by | 02 Feb, 2009, 01:12: PM
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