Each day, Gisselle bikes to school in the morning and bikes home in the afternoon. If she bikes at a speed of 12 miles per hour and the school is 3 miles from her house, how long does it
take her to bike to school and back?

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