2 Last year, Abe went bowling several times and earned an average score
of 90 points. This year, after taking a class at school, he improved his
score to an average of 99 points. What is the percent of increase in Abe's
average score?

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