The Bells are adding a new room to their house. The room will be a cube with volume 5,832 ft3. They are going to put in hardwood​ floors, and the contractor charges ​$10 per square foot. How much will the hardwood floors​ cost?

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