Its gigi's birthday and she wants brownies. Her mom's recipe uses 1/3 of chocolate chips for each batch of brownies. If gigs mom bought two bags of chocolate chips, how many batches of brownies can she make

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