On a graph paper, plot the triangle ABC, whose vertices are at the points A (3,1) , B (5,0) and C (7,4) .
On the same diagram , draw the image of the triangle ABC under reflection in the origin O (0,0)

On a graph paper, plot the triangle ABC whose vertices are at the points, A (4,2), B (4, -1) and C (6,3). On the same graph, draw the image of the triangle ABC under reflection in the line x =2. Mark any two pints on the graph paper which are invariant under this reflection. Also, write the co-ordinates of points marked.

Using integration, find the area of the triangle ABC whose vertices are A(-1,1), B(0,5) and C(3,2) .

The equation of the altitude of the triangle ABC whose vertices are A(-4,2), B(6,5) and C(1,-4) can be

Find the angles of a triangle whose vertices are A(0,-1,-2),B(3,1,4) and C (5,7,1).

Find the equation of the altitudes of triangle ABC whose vertices are A(2,-2), B(1,1) and C(-1,0)

Find the orthocentre of the triangle ABC whose angular points are A(1,2),B(2,3) and C(4,3)

Find the co-ordinates of the centroid of a triangle ABC whose vertices are : A(-1, 3), B(1, -1) and C(5, 1)

In a triangle ABC if tan C lt 0 then :

Orthocentre of triangle whose vertices are (0, 0), (3, 4), (4, 0) is