In a `Delta ABC` with vertices A(1,2) , B (2,3) and C (3,1) and `angleA =cos ^(-1)(4/5) , angle B = angle C = cos ^(-1) (1/sqrt10)` , then find the circumcentre of the `DeltaABC.`
In a Delta ABC with vertices A(1,2), B(2,3) and C(3, 1) and angle A = angle B = cos^(-1)((1)/(sqrt(10))), angle C = cos^(-1)((4)/(5)) , then find the circumentre of Delta ABC .
Find the orthocentre of Delta ABC with vertices A(1,0),B(-2,1), and C(5,2)
Show that the DeltaABC with vertices A ( 0,4, 1) , B ( 2, 3, -1) and C ( 4,5,0) is right angled.
Find the angles of /_\ABC whose vertices are A(-1,3,2), B(2,3,5) and C(3,5,-2) .
In a triangle ABC, angle A = 60^(@) and b : c = (sqrt3 + 1) : 2 , then find the value of (angle B - angle C)
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
Consider the triangle ABC with vertices A(-2,3),B(2,1) and C(1,2). What is the circumcentre of the triangle ABC?
If A (2,7) ,B (-6,1) and C (-5,8) are the vertices of a triangle, then find the co-ordinates of circumcentre of that triangle .
