∆ABC is isosceles with AB=CD.Also BD=CD.Show that AD bisects A and D.
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Hey!!
By similarity in triangle ABD and ABC
AB=AC
BD=BC
AD=AD
▲ABD~▲ACD
=>angle BAD=angle CAD
=>angleBDA=angleCDA
BY,CPCT
Congruent Parts of Congruent Triangles
Thanks..
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