Someone please help!

Rio negro es una provincia de muchos huertos

In the diagram, which must be true for point d to be anorthocenter? o be, cf, and ag are angle bisectors. be 1 ac, ag 1 bc, and cf 1 ab. be bisects ac, cf bisects ab, and ag bisects bc. be is a perpendicular bisector of ac, cf is aperpendicular bisector of ab, and ag is a perpendicularbisector of bc.

Fill in the blank in the following sentence with the appropriate form of the verb bailar below a. bailaste b. baila c. bailaba d. bailó