ABC is a triangle and AD is the median. If the coordinates of A are (4, 7, -8) and the coordinates of centroid of the triangle ABC are (1, 1, 1), what are the coordinates of D?

\[\left( -\frac{1}{2},\,\,2,\,\,11 \right)\]

\[\left( -\frac{1}{2},-2,\frac{11}{2} \right)\]

ABC is a triangle and AD is the median. If the coordinates of A are (4

1.	ABC is a triangle and AD is the median. If the coordinates of A are (4, 7, -8) and the coordinates of centroid of the triangle ABC are (1, 1, 1), what are the coordinates of D?
A.	\[\left( -\frac{1}{2},\,\,2,\,\,11 \right)\]
B.	\[\left( -\frac{1}{2},-2,\frac{11}{2} \right)\]
C.	\[(-1,2,11)\]
D.	\[(-5,-11,19)\]
Answer» C. \[(-1,2,11)\]

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ABC is a triangle and AD is the median. If the coordinates of A are (4, 7, -8) and the coordinates of centroid of the triangle ABC are (1, 1, 1), what are the coordinates of D?

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