If triangle abc is similar to triangle def, which statement is true about the two triangles? a.)segment ab is congruent to segment de, and angles c and f are congruent. b.)segment bc is proportional to segment ef, and angles a and d are congruent. c.)segment ab is congruent to segment de, and angles c and f are proportional. d.)segment bc is proportional to segment ef, and angles a and d are proportional.