" In a triangle ABC,if "2n+r=r_(1)" ,then "

In a triangle ABC , if 2R + r = r_(1) , then

In a triangle ABC if r=3,R=6,r_(1)=9 then A=

In a triangle ' ABC,r_(-)1

In triangle ABC, if rr_(1)=r_(2)r_(3), then the triangle is

In a triangle ABC , if r_(1) =2r_(2) =3r_(3) , then a:b:c =

In a triangle ABC if r_(1) = 36 , r_(2) = 18 and r_(3) = 12 , then the area of the triangle , in square units, is