P is equal to angle ACD show that angle abc is equal to angle ADB fig=triangle
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Answer:
In △ABC, we have
AB=AC⇒∠ABC=∠ACB
(angles opposite to equal sides.)
Again in △DBC, we have
DB=DC ......... (given)
⇒∠DBC=∠DCB (angles opposite to equal sides).
Hence we obtain
∠ABC−∠DBC=∠ACB−∠DCB.
This gives
∠ABD=∠ACD. [henceproved]
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