What is the diameter of a circle whose radius is 11 units?

What is the diameter of a circle whose radius is 1.5 units?

What is the radius of a circle whose diameter is 20 units?

What is the radius of a circle whose diameter is 8 units?

What is the diameter of a circle whose radius is 9 units?

What is the diameter of a circle whose radius is 6 units?

What is the diameter of a circle whose radius is 2.5 units?

What is the radius of a circle whose diameter is 7 units?

What is the radius of a circle whose diameter is 14 units?

What is the radius of a circle whose diameter is 6 units?