Answer:
pi x diameter
Step-by-step explanation:
To find the circumference of any given circle, multiply the radius by 2 to get the diameter, and then the diameter by pi (3.14)
You first need to know the equation A=pi x r^2. The equation you need for this problem is pi (3.14) x 3^2
Answer:
B
Step-by-step explanation:
Answer: b
Step-by-step explanation: