Congruence of two triangles in a circle? Please help

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1 Answer
Shwetank Mauria
May 7, 2017

Please see below.

Explanation:

In #Deltas# #ABD# and #ACD#, we have

#/_BAD=/_CDA=90^@#

and in these right angled triangles, we have

#Hyp" "BD=Hyp" "CA# #-># as both are diameters

and #Leg " "AD=Leg " "AD# #-># common

Hence #DeltaABD-=DeltaACD# #-># by #RHS#.

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