Q47 of 77 Page 7


ABC is a triangle whose vertices are A(2, -1), B(-4, 2) and C(2, 5). Find thelength of the median AD.

SOLUTION:

We know that the midpoint of a line segment AB with A(x, y) and B(u, v) is
Let D be the midpoint of BC whose coordinates are

.

So,

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