The co-ordinates of the vertices of the triangle are A(–1 0, 3), B(2, – 3, 6) and C(–1, 3, 2). Find the direction cosines of the medians of the triangle

Asked by Topperlearning User | 4th Jun, 2014, 01:23: PM

Expert Answer:

The co-ordinates of the vertices of the triangle are A (5, – 1, – 2), B (1, – 3, 6) and C (–1, 3, 2). Let mid-points of BC, CA and AB be D, E and F respectively.

Co-ordinates of point D = ,
Co-ordinates of point E =  and
Co-ordinates of point F = .

Answered by  | 4th Jun, 2014, 03:23: PM