A diameter of 8 centimeters means that a line drawn through the center of a circle from one edge to the other measures 8 centimeters. A circle with a diameter of 8 centimeters has a radius of 4 centimeters, an area of 16*pi centimeters, and a circumference of 8 * pi centimeters.
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It depends on what the 8 cm refers to: the radius, the circumference or the arc of known angle, etc.
A circle with a diameter of 18 centimeters has an area of 254.47 square centimeters.
The area of circle that has diameter of 14 centimeters is: 153.9 cm2
Oh, dude, math time! So, the formula for finding the diameter of a circle from the circumference is dividing the circumference by π (pi). In this case, 49 divided by π is approximately 15.57 centimeters. So, the diameter of the circle is around 15.57 centimeters. Easy peasy, right?
The diameter in centimeters of a circle with circumference 0.5 pi is: 0.5 cm
The diameter is the circumference divided by the constant, Pi (3.14).