Which of the following statements is true? Select all that apply.

To find the diameter of a circle, divide its circumference by π or 3.14.
To find the diameter of a circle, divide its circumference by pi or 3.14.

The radius of a circle is twice its diameter.
The radius of a circle is twice its diameter.

The circumference of a circle is greater than its diameter.
The circumference of a circle is greater than its diameter.

The diameter of a circle is twice its radius.
The diameter of a circle is twice its radius.

The circumference of a circle is twice its radius.