The circumference of a circle is given by Circumference = pi x diameter.
The area of a circle is given by Area = pi/4 x diameter2.
Thus for a circle with circumference c = 12 in. The area will equal a = 11.459 in2.
Chat with our AI personalities
If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x Pi = circumference).
The area of a circle if its circumference 12pi is: 113.1 units squared.
Area of a 12-inch circle: 113.1 square inches.Area of a 16-inch circle: 201.1 square inches.
The approximate area of a circle with a 12-inch diameter is: 113 square inches.
If the diameter of a circle is 12 inches the circumference is: 37.7 inches (diameter x pi = circumference).