Needs step by step solving.

C

Step-by-step explanation:

20*15=300

10*10=100

300+100=400

8*8=64

400-64=336

336c

Yes because if you divide the area by the average radius of the square you get the ration of the pie which in short is 3.14 which you then multiply by the diameter of the average of the blue rectangle and end up getting yes as your answer.

Hope that helped tell me if I need to go to further detail