Ruby works at a pizza shop where they cover the whole area of the pizza with cheese. They sell small pizzas with a 10 inch diameter and large pizzas with a 16 inch diameter. How many more square inches of cheese are on the large pizza?

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