Which is an expression in terms of π that represents the area of the shaded part of ⊙K. Please help ASAP , thank you!

Ms. aniston asked seven students in her class to collect pet food cans for a local animal shelter. the dot plot shows the number of food cans collected by each student. each dot represents one student. what is the median of the data set? a. 6 b. 9 c. 7 d. 8