In triangle ABC, if `r_1 = 3,r_2 =10,r_3=15`, then `c=`

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

If in a Delta ABC, if r_(1)=3,r_(2)=10,r_(3)=15 then R=

In a triangle , if r_(1) = 2r_(2) = 3r_(3) , then a/b + b/c + c/a is equal to

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

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

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

In a !ABC if r_(1) = 36 , r_(2) = 18 and r_(3) = 12 , then the perimeter of the triangle , is

If in a triangle ABC,r_(1)=2,r_(2)=3 and r_(3)=6 ,then b=