ABCD is rotated counterclockwise wise about the origin. by now how many degrees was ABCD rotated

Pete is making decorations for a dinner party. the instructions tell him to use 9 flowers for a medium-sized decoration. complete each statement to adjust the flowers for different-sized decorations based on these instructions.

Simplify the expression and find the missing terms. the simplest form of has in the numerator and in the denominator.

Any is very appreciated! (picture is provided below)not sure how to do this at all won't lie