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It depends on what information you do have. If you know the radius, simply double it.
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Is a circle named by two points in the circle?
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.
Work out the perimeter of the semi-cirle when diameter is 15cm?
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).
Circumfrance of a 1.25 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.
What is half of a diameter of a circle?
The radius is half of the diameter of a circle.
If the diameter of a circle is 80 what is the circumference?
Diameter of a circle = circumference/pi
Does ab circle pro work?
Yes Ab circle pro does work if you follow all the steps and workout on timely manner you can find all the information about it's review and workout information at http://www.abcircleproinfo.com/
How do you work out the diameter if you have the circumference of a circle?
Divide the circumference by 3.14159265 (3.14 for rough approximation) to find the diameter of a circle.
How do you work out the area of a circle with only the diameter?
By dividing the diameter by 2 will give the circle's radius. Area of any circle = pi*radius squared.
Was does Pi equall?
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.
A chord of a circle that contains the center of a circle-?
The cord of a circle that contains the center of that circle is a diameter of that circle.
How does a diameter work?
it uses to find out thearea and circumference of circle. diameter=2*radius
How do you diameter of a circle?
You do a diameter circle!!
How do you work out pi in a circle?
The value of pi = circumference/diameter
How do you work out diameter given circumference?
C = pi*d Remember the circle eq'n To find 'd' we algebraically rearrange. to d = C/pi
What is the circumference of a circle if the radius is 4.4 cm?
Work it out the circumfrance of a circle is pie x the diameter!
What is the diameter of a circle that is equal to pi?
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.
What is the name of line segment ab in a circle?
It could be a chord, a radius, or a diameter. There's no way to know which one it is without seeing the picture.
