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In triangle ABD, C is the midpoint of BD...

In `triangle ABD`, C is the midpoint of BD. If AB = 10 cm, AD = 12 cm and AC = 9 cm, then BD =?
त्रिभुज ABD में, C, BD का मध्य बिंदु है | यदि AB = 10 सेमी, AD = 12 सेमी और AC = 9 सेमी है, तो BD = ?

A

`2 sqrt 10` cm

B

`sqrt41` cm

C

`sqrt10` cm

D

`2 sqrt41` cm

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