Inatriangle ABC, ta a) ab.ca in AP 6) cost these B.

In a triangle ABC if angle ABC=60^(@) , then ((AB-BC+CA)/(r ))^(2)=

In a triangle ABC if angle ABC=60^(@) , then ((AB-BC+CA)/(r ))^(2)=

In a triangle ABC if angle ABC=60^(@) , then ((AB-BC+CA)/(r ))^(2)=

For a triangle ABC, fill in the blanks using >, (a). AB____BC___CA (b) AB___BC___CA.

In any triangle ABC,sum a sin(B-C) in equal to ab+bc+ca b.0 c.3abc d.3(a+b+c)

ABC is an isosceles triangle with AB = AC. Draw AP _|_ BC to show that A = B.

In Delta ABC,if (a+b)/(1-ab) b,(b+c)/(1-bc) are in A.P then a,1//b,c are In

If the incircle of the triangle ABC touches the sides AB,BC,CA at P,Q and R respectively,then show that: AP+BQ+CR= 1/2 perimeter of triangleABC