It is typically named using one point, which is the center. Sometimes, a circle could be referred to "a circle with diameter AB" in which two points are named. However, you need three non-collinear points to uniquely determine a circle.
The perimeter of a full circle (circumference) is "pi" times the diameter. So the perimeter of a semi-circle will be half that; Perimeter = (pi/2) x (diameter).
To find the circumference of a circle, you have to multiply Pi and the Diameter. This means that to work out the answer you multiply Pi by 1.25. This equals 3.92699081, which rounded equals 3.93 (2dp) - the circumference of a circle with a 1.25 diameter.
The radius is half of the diameter of a circle.
Diameter of a circle = circumference/pi
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Divide the circumference by 3.14159265 (3.14 for rough approximation) to find the diameter of a circle.
By dividing the diameter by 2 will give the circle's radius. Area of any circle = pi*radius squared.
It is the ratio of the circumference (C) and the diameter (D) of a circle. Using pi and the diameter of a circle, you can work out the circumference.
The cord of a circle that contains the center of that circle is a diameter of that circle.
it uses to find out thearea and circumference of circle. diameter=2*radius
You do a diameter circle!!
The value of pi = circumference/diameter
Circumference of a circle = diameter*pi Diameter of a circle = circumference/pi
Work it out the circumfrance of a circle is pie x the diameter!
If you mean the diameter of a circle with area pi, then the diameter is 2. If you mean the diameter of a circle with circumference pi, then the diameter is 2. If you mean the diameter of a circle with diameter pi, then the diameter is pi. If you mean the diameter of a circle with radius pi, then the diameter is 2pi.
Maybe it does, maybe it doesn't