Complete IIT AIEEE ICSE ISC PMT help forum
This is a free help Forum for Indian Students.
Complete IIT AIEEE ICSE ISC PMT help forum

Complete help forum for students preparing for icse iit aieee cbse pmt and other related exams.Stay updated about all 2011 exams.
 
HomeHome  PortalPortal  FAQFAQ  SearchSearch  RegisterRegister  MemberlistMemberlist  UsergroupsUsergroups  Log in  India NewsIndia News  
Keywords
Latest topics
Top posters
abhas
 
Anu..i luv icse...:)
 
G-7
 
siya
 
Candy
 
jOhNy
 
Apurva
 
WinRrule
 
ambili
 
saif
 



Search if you can't find it here

a sum frm Similarity.....plz try dis...

View previous topic View next topic Go down
AuthorMessage
^snigdha^
Active member
Active member
avatar


PostSubject: a sum frm Similarity.....plz try dis... Thu 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...
Back to top Go down
View user profile
^snigdha^
Active member
Active member
avatar


PostSubject: Re: a sum frm Similarity.....plz try dis... Thu 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
Back to top Go down
View user profile
Arya Nair
Active member
Active member
avatar


PostSubject: Re: a sum frm Similarity.....plz try dis... Fri Feb 27, 2009 11:38 am

plz...help
Back to top Go down
View user profile
QUEST
Active member
Active member
avatar


PostSubject: Re: a sum frm Similarity.....plz try dis... Fri 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
Back to top Go down
View user profile
^snigdha^
Active member
Active member
avatar


PostSubject: Re: a sum frm Similarity.....plz try dis... Tue Mar 03, 2009 12:40 pm

thanx a trillion Quest!! it wuz a gr8 help!! Very Happy
Back to top Go down
View user profile
Sponsored content




PostSubject: Re: a sum frm Similarity.....plz try dis...

Back to top Go down

a sum frm Similarity.....plz try dis...

View previous topic View next topic Back to top
Page 1 of 1

Permissions in this forum:You cannot reply to topics in this forum
Complete IIT AIEEE ICSE ISC PMT help forum :: Maths :: Maths Question answer-