To use the circumference calculator, follow the steps below.
Result
Data:
x1 = 15, x2 = 12, y1 = 12, y2 = 18
Formula:
Ax + By + C = 0 ---- (i)
Solution:
Now Put all values in equ (i)
A circumference calculator is used to evaluate the circumference and the area of a circle with steps in a couple of a second. This calculator only takes the radius and will calculate the circumference and circle area according to their formulas.
In geometry, the circumference is the linear distance of the paths that make circles. It is generally the perimeter of an ellipse or circle. The term perimeter is frequently used in polygons to calculate the results.
The formula of the circumference is:
Circumference = 2πr
The formula for the area of a circle is:
Area = πr2
To solve the circumference of a circle, use the above circumference calculator. Here is an example of calculating the circumference of a circle manually.
Example
Calculate the circumference and area of a circle if the radius of a circle is 12cm
Solution
Step 1: Take the formula of circumference and substitute the given values for it.
Circumference = 2πr
Radius = r = 12cm
Pi = π = 3.14
Circumference = 2(3.14) (12)
Circumference = 75.36 cm
Step 2: Take the formula of the area of a circle and substitute the given values for it.
Area = πr2
Radius = r = 12cm
Pi = π = 3.14
Area = (3.14) (12)2
Area = (3.14) (144)
Area = 452.16 cm2
Hence,
The area of the circle is 452.16 cm2 and the circumference of the circle is 75.36 cm.
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