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When do you need to find the circumference of a circle?
circumference of a circle = 2piradiuis or diameter*pi
Why would you need to find the circumference of a circle?
As for example when constructing a round-about on a road you'll need to know its perimeter which is the circumference of a circle.
What is a situation where you would need to know the circumference of a circle?
The circumference of a circle would be needed as for example when constructing a circular swimming pool.
Why do you need Pi?
So that you can find the circumference of a circle.
Is an arc a fraction of a circumference?
It is part of a curve. If that curve happens to be a circle, then it is a fraction of a circumference but it need not be.
When do you need to find the circumference of a circle?
circumference of a circle = 2piradiuis or diameter*pi
How do you figure out diameter?
Assuming you are talking about a circle:* If you know the radius of the circle, multiply that by 2. * If you know the circumference of the circle, divide that by pi. * If you know nothing, you need to measure either the radius, the diameter, or the circumference.
Why would you need to find the circumference of a circle?
As for example when constructing a round-about on a road you'll need to know its perimeter which is the circumference of a circle.
How do you covert area into circumference?
Well, you can't really "convert" it, but I assumeyou want to calculate the circumference from the area. First, you need to know what figure you are talking about. For the specific case of a circle, I suggest you use the formula for the area of a circle, replace the known area, and solve for the radius. Once you have that, it is easy to calculate the circumference.
What is a situation where you would need to know the circumference of a circle?
The circumference of a circle would be needed as for example when constructing a circular swimming pool.
Why do you need Pi?
So that you can find the circumference of a circle.
How do you find the circumference of a circle when you know the area?
To find the circumference of a circle when you know the area, you first need to find the radius of the circle using the formula for the area (area = πr^2). Once you have the radius, you can calculate the circumference using the formula for the circumference (circumference = 2πr).
What are other equations for circumference?
One definition of circumference is the boundary line of a circle and is related to π and the circle's diameter by the equation π=C/D where C is the circumference and D the diameter of the circle. A second, more general definition is the boundary line of any closed curvilinear figure. Synonyms are periphery and perimeter. Two equations for the circumference of a circle are C=πD=2πr where r is the radius. To get other equations, you need to specify the closed curve for which you want the perimeter.
What is the diameter of a circle with 52cm as circumference?
16.55cm - If you want to work it out, you will need to divide the circumference by pi.
Is an arc a fraction of a circumference?
It is part of a curve. If that curve happens to be a circle, then it is a fraction of a circumference but it need not be.
How do you solve the circumference of a circle?
to find the circumference of a circle, which is the distance in the outside of the circle you need to use the following formula: C=dx 3.14 or circumference equals diameter times pi. The diamater is the length of the circle from end to end. Not very difficult.
How do you find circumference of concentric circles?
You need to know diameter of each circle, which are different for each circle; each circle circumference is pi x diameter where pi = 3.14159
