Entre los años 1852 y 1880 no habia unidad politica

Choose the correct answer to the question que la daras

Can you me correct these spanish questions? ? (they are due tomorrow.)

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.