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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.
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In a circle the circumference and diameter vary directly Which of the following equations would allow you to find the diameter of a circle with a circumference of 154 if you know that in a second ci?
In a circle, the circumference and diameter vary directly. Which of the following equations would allow you to find the diameter of a circle with a circumference of 154 if you know that in a second circle the diameter is 14 when the circumference is 44?
What is the formula to find the radius?
It depends on the information that you do have. If you know the diameter, the circumference or the area the equations are relatively straightforward.
How do you find the are of a circle with only the circumference?
It's important to know the formulas for all these characteristics of circles, and to recognize what they have in common. Area of a circle = πr2 Circumference of a circle = 2πr or dπ Where in the above equations r represents radius, and d is diameter (2r). Both these equations have r in them. Find the radius using the circumference equation, and then plug it into the equation for Area
What are 2 equations using pi?
Area of circle is pi x radius squared Circumference is p x diameter
What does circle have to do with math?
Circle is a shape. We have gotten to know a lot from circles. Because of circles, we get PI, radius, diameter, circumference, and other things. Circles fall into geometry, which is math. We can make many mathematical equations from circles.
What is the relationship between geometry and non-linear equations?
Non-linear equations represent shapes other than straight lines.Non-linear equations represent shapes other than straight lines.Non-linear equations represent shapes other than straight lines.Non-linear equations represent shapes other than straight lines.
What is the circumference of a circle with a radius of Cm?
The circumference is twice the radius. In other words, if you know the radius, multiply it by 2 to get the circumference.
When are two equations independent?
Two equations are independent when one is not a linear combination of the other.
How do you find the area of a circle if you have the circumference?
I'm not going to directly answer the question because it sounds like a homework problem, but these equations should allow you to figure it out: Area of a circle = pi*(radius)^2 Circumference of a circle = 2*pi*radius
How does the circumference of your planet compare to the circumference of other planets?
It is less than some of them, but it exceeds that of the others.
How do you add and subtract equations?
You add one side of each of the equations to form one side of the new equation. You add the other sides of the equations to form the other side. Subtraction is done similarly.
How do you work out the diameter of a circle that has a circumference of 1 meter?
To work out the diameter of a circle with only the circumference, you need to divide the circumference by pi ≈ 3.1416. 1/pi ≈ 0.31831Pi">PiPi is a so far unique number with an endless number of decimals. It is heavily related to math tied to circles and is used in a number of equations involving circles.
