In a school containing 360 children, 198 are girls. what percent of all the children are girls? what percent of the children are boys? the number of girls is what percent of the number of boys? the number of boys is what percent of the number of girls?

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