CBSE Class 9 Answered
ABCD is a parallelogram. If DAB = 60o and DBC = 80o find CDB.
Asked by Topperlearning User | 04 Jun, 2014, 01:23: PM
Expert Answer
A = C [opp. Angles of ||gm]
C = 60o
Now in BDC
C + CDB + DBC = 180o.
60o + CDB + 80o = 180o
CDB = 180o - 140o = 40o.
Answered by | 04 Jun, 2014, 03:23: PM
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