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| physics chemistry maths science forums |
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 28 Mar 2008 13:36:26 IST
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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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![[Post New]](/templates/default/images/icon_minipost_new.gif) 28 Mar 2008 15:35:35 IST
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![[Post New]](/templates/default/images/icon_minipost_new.gif) 28 Mar 2008 16:40:48 IST
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yes..it is B..can u plz post the solution
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O is the centre of the circle...now inradius r=distance of side BC from pt O..
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