If a=2b and A=3B, find the angles of the triangle ABC.

the triangle ABC,3A=2B and 2A=C . find the angles of the triangle

If A(1, 4, 2), B(-2, 1, 2) and C(2, -3, 4) are the vertices of the triangle ABC, then find the angles of the triangle ABC.

If a = 2b and A = 3B find the measure of the angle of the triangle.

(i) If a:b:c= 2:3:4 and s=27 inches, find the area of the triangle ABC. (ii) If in a triangle ABC, a=6, b=3 and cos(A-B) =4/5 then find its area.

In triangle ABC , if angle A = 3 angle B and angle C = 2 angle B . Find all the three angles of triangle ABC .

If A,B and C are the interior angles of triangle ABC, find tan((B+C)/(2))

Find the measure of the angle A of the triangle ABC with vertices A (2, 3), B (-2, 2) and C(0, 2).

In the triangle ABC, if a=5, b=7 and c=3, find the angle B and the circumradius R.

The vertices of a triangle ABC are A(1,2),B(2.3) and C(3,1). Find the cosines of the interior angles of the triangle and hence or otherwise find the coordinates of,(a) orthocenter of the triangle(b) circumcentre of the triangle