Whats the area of a circle if the diameter is 12

- What is the area of a circle if the diameter is 12 cm
- What is the area of a circle if the diameter is 12 inches
- What is the area of a circle if the diameter is 120 cm
- What is the area of a circle if the diameter is 120 centimeters
- Find the diameter of the circle with the following circumference
- How to find the area of a circle with a circumference
- How find the area of a circle