" In a triangle "ABC,a:b:c=4:5:6." Then "3A+B" equals to: "

In a triangle ABC, if a:b:C=3:7:8, then R:r is equal to

In triangle ABC,a:b:c=4:5:6. The ratio of the radius of the circumcircle to that of the incircle is

In a triangle ABC, if 2b=a+c and A-C=90, then sin B equals

In a triangle ABC, a=3,b=4, c=5, then the value of (rr_(1)r_(2)r_(3))/6 is _____________

In a triangle ABC, a=3,b=4, c=5, then the value of (rr_(1)r_(2)r_(3))/6 is _____________

In a Delta ABC , if a:b:c=4:5:6 , then the ratio of the radius of the circumcircle to that of the incircle is

In a Delta ABC, if a:b:c=4:5:6, then the ratio of the radius of its circumcircle to that of its incircle

If in any Delta ABC,a:b:c=4:5:6, prove that the greatest angle is doule the smalles angle

In a triangle ABC, a =3,c = 5 and b =4, then the value of radius of inscribe is "_____"

In a triangle ABC, (a(a+c-b))/(b(b+c-a)) is equal to