The lafayette county library classifies it's dvds into one of the categories shown below. the library owns 1743 dvds. round your answer to the nearest whole number. determine the number of comedy dvds. comedy dvds is 27%

The figure shows triangle def and line segment bc, which is parallel to ef: triangle def has a point b on side de and point c on side df. the line bc is parallel to the line ef. part a: is triangle def similar to triangle dbc? explain using what you know about triangle similarity. part b: which line segment on triangle dbc corresponds to line segment ef? explain your answer. part c: which angle on triangle dbc corresponds to angle f? explain your answer. asap