Question

The co-ordinates of the vertices of triangle ABC ate A(7, 2), B(9, 10) and C(1, 4). If E and F are the midpoints of AB and AC respectively, prove that EF = (1/2)BC

Answer 1

Let the mid points of AB and AC be E(x1, y1) and F(x2, y2)

.'. Co-ordinates of point E