31. PHOTOGRAPHY The length and width of a 6-inch by 8-inch the same amount to make a new photograph whose area is half that of the original. By
how many inches will the dimensions of the photograph have to be reduced?

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