A map is drawn to a scale of 1 cm to 4 km. A forest has an area of 4 cm on this map. Find, in cm?, the area of the forest drawn on another map whose scale is 1 cm to 2 km.

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