# Find the lengths of the medians of a ABC having vertices at A (5, 1), B (1, 5), and C(-3, -1).

Here given vertices are A (0,-1), B (2, 1) and C (0, 3) and let midpoints of BC, CA and AB be D,E and F respectively.

By midpoint formula.

x = , y =

For midpoint D of side BC,

x = , y =

x = , y =

midpoint of side BC is D(-1, 2)

For midpoint E of side AB,

x = , y =

x = , y =

midpoint of side AB is E(1, 0)

For midpoint F of side CA,

x = , y =

x = , y =

midpoint of side CA is F(3, 3)

By distance formula,

XY =

=

= units

For median BE,

BE =

=

= 5 units.

For median CF,

CF =

=

= units

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