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D is the midpoint of AC, BDC=BDA prove ABD=CBD

User Sherdim
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In triangle ABD and CDB
In a traingle ABD and CDB

BD= BD share the same side

AD=DC As given D is the midpoint
and given as

angle BDA= angle BDCso by side angle side)the two triangles are congruentusing CPCTC angle ABD= angle CBD
User PiotrO
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