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As long you remember the formula you should be fine....
Circumference = 2 * pi * r
Or pi * d
where r = radius & d = diameter of the circle.
Also pi (=3.143) can be roughly put down as 22/7 if you more comfy with fractions than the decimals.
the equation is 2*pi*r
r being the radius
Circumference = pi x diameter
Circumference = 2 x pi x radius
Pi times D = C
D= Diameter
C=Circumference
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How do find the circumference of a circle?
The formula; 2 * Pi * Radius = circumference Will calculate the circumference of a circle.
If a circle has a diameter of 8 cm then what is the circumference of the circle?
A simple formula to calculate the circumference of a circle: so in this case:
C program on how to calculate circumference of a circle?
int radius = 2; int output; radius = radius * 2; output = radius * Math.PI; Console.WriteLine(output);
Pi can be used to calculate the blank of a circle?
Pi can be used to calculate the area of a circle Pi can be used to calculate the circumference of a circle
How do you calculate circumference of a circle?
You use a protractor.
Why you are using pi to calculate circumference of the circle?
Because the ratio of the circumference to the diameter of every circle is pi. So circumference = pi*diameter.
How do you calculate the circumference of a circle given the diameter or the radius?
Circumference = diameter*pi
How do you calculate the diameter and the circumference of a circle?
Doubling the radius will give the diameter and times this by pi will give the circumference of the circle.
Why do we use pi?
We use it to calculate the circumference of a circle.
IF the circumference of a circle is 6.28 what is the area?
The circumference and area of a circle, with radius r is: circumference = 2*pi*r and area = pi*r2 Use the first to calculate r and then the second to calculate the area.
What is the ciruumference of a circle?
The circumference is essentially the perimeter of the circle, or the distance around the circle. To calculate the circumference of a circle, use the formula C = 2 * pi * r. Circumference = two times pi times the radius of the circle.
How do you calculate circumference and area of pi?
Pi is the number of times the diameter of a circle will fit into the circumference. Pi is not a circle, and does not have a circumference or area. To calculate a circumference USING pi, the circumference is diameter * pi. To find the area using pi, area = pi * radius * radius
