in AB^Δ C prove that: r_a + r_( b) +r_( c) = r +4R r_( a) : escribed circle radius corresponding to A. r : incirle radius R: circumcircle radius


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Question Number 177767 by mnjuly1970 last updated on 08/Oct/22

$i n A \overset{Δ}{B C} p r o v e t h a t :$ $r_{a} + r_{b} + r_{c} = r + 4 R$ $r_{a} : e s c r i b e d c i r c l e r a d i u s$ $c o r r e s p o n d i n g t o A .$ $r : i n c i r l e r a d i u s$ $R : c i r c u m c i r c l e r a d i u s$
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