In the diagram, which must be true for point cap d to be an orthocenter?
Answer
A
line segment BE , line segment CF , and line segment AG are angle bisectors.
B
line segment BE bisects line segment AC , line segment CF bisects line segment AB , and line segment AG bisects line segment BC .
C
line segment BE is a perpendicular bisector of line segment AC , line segment CF is a perpendicular bisector of line segment AB , and line segment AG is a perpendicular bisector of line segment BC .
D
line segment BE perpendicular to line segment AC , line segment AG perpendicular to line segment BC , and line segment CF perpendicular to line segment AB .