There is not a formula for everything need more data
Answer:
AREA:

CIRCUMFERENCE:

Step-by-step explanation:
The formula that is used to calculate the area of a circle is:

Where "r" is the radius of the circle.
The formula for calculate the circumference of a circle is:

Where "r" is the radius of the circle.
Then, you need to find the radius. This is:

Substituting the radius, you get that the area and the circumference are:
AREA:

CIRCUMFERENCE:

Really true. just wanting points is not a reason to mess with someone else.
Answer:
C I'm pretty sure
Step-by-step explanation:
sorry if I'm wrong