In an isosceles triangle ABC, with AB = AC, BD is perpendicular from B to the side AC. What is the value of \[B{{D}^{2}}-C{{D}^{2}}?\]

In an isosceles triangle ABC, with AB = AC, BD is perpendicular from B

1.	In an isosceles triangle ABC, with AB = AC, BD is perpendicular from B to the side AC. What is the value of \[B{{D}^{2}}-C{{D}^{2}}?\]
A.	2AB.BC
B.	2AD.BD
C.	2 DC.AD
D.	2 BD.CD
Answer» D. 2 BD.CD

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In an isosceles triangle ABC, with AB = AC, BD is perpendicular from B to the side AC. What is the value of \[B{{D}^{2}}-C{{D}^{2}}?\]

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