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[Post New]28 Mar 2008 13:36:26 IST
    Subject: Properties of triangles
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m.viddya (101)

Scorching goIITian

Olaaa!! Perrrfect answer. 19  [22 rates]
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Q.In ABC if the line joining the circumcentre and incentre is parallel to BC then?
 
1.R=rtanA
 
2.r=RcosA
 
3.r=RsinA
 
4.R=rcotA
    
 

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