pls anwser all and correctly thnx

What’s In
Choose the letter of the correct answers below and place it on the blanks.
1. The distance around a circle.
2. A line that passes through the center of a circle.
3. An estimate of the value of pi.
4. One hall of the diameter of a circle.
5. The formula in finding the circumference of a circle.
A radius
B. diameter
C. circumference
D. C = ||×d
E. area
F. 3.14​