Question

LM||CB AND DF||AE PROVE THAT AN/AB=AN/AD

Answer 1

Triangle ALM ~ Triangle ACB

AL/AC = LM/CB = AM/AB ------- (1)

Triangle ALN ~ Triangle ACD

AL/AC = LN/CD = AN/AD ----------- (2)

By equations 1 and 2,

AL/AC = AM/AB = AN/AD.

Thus,

AM/AB = AN/AD

Hence proved!

Answer 2

Hi there !

There is a mistake in your question , question should be prove that AM / AB = AN /AD

Look at the attachment ⬆️

Thanks :).