In `Delta ABC, if a=13 ,b=14 , c=15`, then `r_1=`

In Delta ABC, if a=13, b=14, c=15 then r_2=

In Delta ABC, if a= 13, b= 14, c= 15 , then r_2 =

In Delta ABC, if a=13 cm, b=14 cm, c=15 cm , then tan ""C/2=

In triangle ABC, if a=13,b=14,c=15 then r_(1)=

In a DeltaABC , If a=13 , b=14 , c=15, find R,r,r_1,r_2 and r_3 .

In a DeltaABC, if a=13, b=14and c=15, then angle A is equal to (All symbols used have their usual meaning in a triangle.)

In a DeltaABC, if a=13, b=14and c=15, then angle A is equal to (All symbols used have their usual meaning in a triangle.)

In a DeltaABC, if a=13, b=14and c=15, then angle A is equal to (All symbols used have their usual meaning in a triangle.)

In triangle ABC if a=13,b=12,c=15 then r_(1)=