Can someone pls help me with this? I got everything else I just don't really understand PI I know it's the last one because PI is approximately 22/7 can you just help me with the rest? It multiple choices too. Thank you soo much! 20 points!

Can someone pls help me with this I got everything else I just dont really understand PI I know its the last one because PI is approximately 227 can you just he class=