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^snigdha^
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^snigdha^


a sum frm Similarity.....plz try dis... Vide
PostSubject: a sum frm Similarity.....plz try dis... a sum frm Similarity.....plz try dis... EmptyThu Feb 26, 2009 3:20 pm

ABC is a triangle in which DE//BC & AD:BD=3:2.
Write down the ratio- area of triangle DEF:area of traingle DEC. [join DC, join EB, DC & EB intersect at F.]

plz try to solve dis sum in the easiest way u can....& plz post the solution...
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^snigdha^
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^snigdha^


a sum frm Similarity.....plz try dis... Vide
PostSubject: Re: a sum frm Similarity.....plz try dis... a sum frm Similarity.....plz try dis... EmptyThu Feb 26, 2009 9:41 pm

hey frnz..plz somebody help me wid dis sum...
i tried it a million times but to no avail... Crying or Very sad
PLZ TAKE TROUBLE TO GET THIS SUM SOLVED 4 ME! Sad
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Arya Nair
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a sum frm Similarity.....plz try dis... Vide
PostSubject: Re: a sum frm Similarity.....plz try dis... a sum frm Similarity.....plz try dis... EmptyFri Feb 27, 2009 11:38 am

plz...help
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QUEST
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QUEST


a sum frm Similarity.....plz try dis... Vide
PostSubject: Re: a sum frm Similarity.....plz try dis... a sum frm Similarity.....plz try dis... EmptyFri Feb 27, 2009 7:20 pm

triangle DEF IS SIMILAR TO TRINGLE CBF ( BY AA)
=> DF /FC = 3/ 5

=> FC/DF = 5 /3
=>( FC+ DF ) / DF = 8/3

=> CD / DF = 8/3 ------- i

now ,
triangle DEF AND DEC HAVE COMMON VERTEX E
HENCE THEIR AREAS WILL BE IN THE RATIO OF THEIR BASES, AS THIER HEIGHTS WILL BE SAME

AR(DEF): AR( DEC) = (1/2 . h . DF) : ( 1/2 . h. CD) = DF: CD = 3:8
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^snigdha^
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a sum frm Similarity.....plz try dis... Vide
PostSubject: Re: a sum frm Similarity.....plz try dis... a sum frm Similarity.....plz try dis... EmptyTue Mar 03, 2009 12:40 pm

thanx a trillion Quest!! it wuz a gr8 help!! Very Happy
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a sum frm Similarity.....plz try dis... Vide
PostSubject: Re: a sum frm Similarity.....plz try dis... a sum frm Similarity.....plz try dis... Empty

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