Answer:
400 is the answer to the botom and a b c and d
Step-by-step explanation:
Answer: 113.1 cm^2
Step-by-step explanation: The formula to find the area of a circle is 3.14r^2. R stands for radius which is 6 in this case so just plug that in for R. 3.14(6)^2=113.1
Answer:

Step-by-step explanation: