The vertices

The vertices of a triangle are A (-1,3), B (1,-1), and C (5, 1). Find the length of the median through the vertex C.

Correct answer:

m3 =  5

Step-by-step explanation:

A=(1,3) B=(1,1) C=(5,1)  Px=2Ax+Bx=2(1)+1=0 Py=2Ay+By=23+(1)=1  m3=dist(P,C)=PC=(PxCx)2+(PyCy)2=(05)2+(11)2=5



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