The chorus at an elementary school is made up of fifth and sixth
graders. This year, the chorus has 12 fifth-grade girls, 9 fifth-grade
boys, 14 sixth-grade girls, and 10 sixth-grade boys.
a. The ratio of girls to boys is to .
b. The ratio of fifth graders to sixth graders is : .
c. The ratio of girls to the total number of students in the chorus is □
□

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