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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 sqrt41 cm`

B

`2 sqrt10 cm`

C

`sqrt41`

D

`sqrt10`

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