If the sides of a triangle are a, b and `sqrt(a^(2) + ab + b^(2))`, then find the greatest angle

The sides of a triangle are a,b and sqrt(a^(2)+b^(2)+ab) then the greatest angle is

If the sides of a triangle are x, y and sqrt((x^(2) + xy + y^(2))) , then then measure of its greatest angle is....

If the sides of a triangle are in the ratio x:y:sqrt(x^(2)+xy+y^(2)) ,then the greatest angle is

If the lengths of the sides of a triangle are a - b , a + b and sqrt(3a^(2)+b^(2)),(a,bgt,0) , then the largest angle of the triangle , is

In the sides of a triangle are in the ratio 1:sqrt(3):2, then the measure of its greatest angle is (pi)/(6)(b)(pi)/(3)(c)(pi)/(2)(d)(2 pi)/(3)

If the sides of a triangle are in A.P and difference between the greatest and least angles is (pi)/(2) , and sin((B)/(2))=(1)/(a sqrt(b)) , then a+b = ?

If angles of a triangle are is the ratio 2:3:4 then find the least and greatest angle

The vertices of the triangle ABC are A(1, 2), B (0, 0) and C (2, 3), then the greatest angle of the triangle is

If the sides of a triangle are proportional to 2,sqrt(6) and sqrt(3)-1, find the measure of its greatest angle.