A) \[2CD\text{ }.\text{ }AD\]
B) \[2AC.BD\]
C) \[2CD.CD\]
D) \[2AB.BC\]
Correct Answer: A
Solution :
Given : \[\Delta ABC\]in which AB = AC and \[BD\bot AC.\] From right \[\Delta ADB,\]we haveYou need to login to perform this action.
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