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CBSE Class 9 Answered

Prove it.
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Asked by gextraodinary | 20 Jul, 2018, 09:47: AM
answered-by-expert Expert Answer
Extend BA and CD to meet at P
now
PBC is iso triangle
PB = PC
consider 
PB - BA   and   PC - CD
since CD>BA
so
PB - BA  >  PD - CD
so PA>PD
in trinagle PAD
PA>PD
so 
angle PAD < angle PDA
now
180 - angle PAD > 180 - angle PDA
angle BAD > angle ADC
Answered by Arun | 23 Jul, 2018, 12:29: PM

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