In a triangle `ABC,r_1

In any triangle ABC, r_(1),r_(2)+r_(2)r_(3)+r_(3)r_(1)=....

In any triangle ABC, r_1r_2+r_2r_3+r_3r_1=

ln a triangle ABC, r_(1) + r =r_(2) + r_(3) . lf the measure of angle A is 60°, then s/a=

ln a triangle ABC, r_(1) + r =r_(2) + r_(3) . lf the measure of angle A is 60°, then s/a=

In triangle ABC,(r_(1)+r_(2)+r_(3)-r) is equal to

In any triangle ABc, r_(1)r_(2)+r_(2)r_(3)+r_(3)r_(1)=

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

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