Plz solve this.............................
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Heya User,
--> Hope you know the fact that ummm.. wait...
--> See the figure... Did you know that :->
area ( ABD ) / area ( ACD ) = BD / CD
--> If not, just give it a thought that, the perpendicular from either BD or CD to A, is going to be common and equal and thus, while the ratio is being considered, only the respective bases would be left out....
--> Now, the question is just so trivial ^_^
--> ar( AOD ) / ar( DOC ) = AO / OC = ar( AOB ) / ar( COB )
=> ar( AOD ) / ar( DOC ) = ar( AOB ) / ar( COB )
=> ar( AOD ) * ar( COB ) = ar( AOB ) * ar( DOC )
And we're done 0_0 ... ^_^
--> Hope you know the fact that ummm.. wait...
--> See the figure... Did you know that :->
area ( ABD ) / area ( ACD ) = BD / CD
--> If not, just give it a thought that, the perpendicular from either BD or CD to A, is going to be common and equal and thus, while the ratio is being considered, only the respective bases would be left out....
--> Now, the question is just so trivial ^_^
--> ar( AOD ) / ar( DOC ) = AO / OC = ar( AOB ) / ar( COB )
=> ar( AOD ) / ar( DOC ) = ar( AOB ) / ar( COB )
=> ar( AOD ) * ar( COB ) = ar( AOB ) * ar( DOC )
And we're done 0_0 ... ^_^
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