A(1, 1), B(7, 3) and C(3, 6) are the vertices of a `triangle ABC`. If D is the midpoint of BC and AL BC, find the slopes of (i) AD and (ii) AL.

A = (2, 2), B = (6, 3), C(4, 1) are the vertices of a triangle. If D, E are the midpoints of BC, CA then DE =

A (5, 4), B (-3, -2) and C (1, -8) are the vertices of a triangle ABC. Find : the slope of the median AD .

Let A (5,2), B (3,-3) and C (-4,3) be the vertices of a Delta ABC. Find the equation of BC

If A(1, 4), B(2, 3) and C(-1,-2) are the vertices of a triangle ABC , find the equation of (i) the median through A (ii) the altitude through A (iii) the perpendicular bisector of BC.

In triangle ABC,D is the midpoint of BC and AD is perpendicular to AC. Then cos A.cos C=

If D is the midpoint of the side BC of Delta ABC then vec(A)B + vec(A)C =

Points A(3,5) , B (-1,4) and C( 7,-6) are the vertices of Delta ABC. Find the coordinates of the centroid of the triangle

A(1,3,0),B(2,2,1) and C(5,-1,4) are the vertices of the triangle ABC, if the bisector of /_BAC meets its side bar(BC) at D, then find the coordinates of D.

In triangle ABC, D is the midpoint of bar(BC) (i) bar(AD) is the ____ (ii) bar(AE) is the _____

Find the area of triangle ABC , the midpoints of whose sides AB, BC and CA are D(3,-1), E(5, 3) and F(1,-3) respectively.