– π (pi) is a mathematical constant, approximately equal to 3.14159 If we know the circumference of a circle, we can easily find out its radius by rearranging this formula and solving for ‘r’: r = C / ...

The ability to round a number to a number of decimal places or to a number of significant figures means that answers can be written to an agreed degree of accuracy. Watch the video to learn how ...

Introducing the Circumference,Radius and Diameter Calculator, the essential tool for performing accurate calculations related to circles and circular geometry. Whether you are a student, engineer, ...

Enter the circle’s radius in the indicated field and select the dimension unit. Optionally, you can use the diameter and perimeter – circumference to calculate the circle’s area. If we have a circle ...

Now for the important part. Today, as you may know, is Pi Day. Why today? Because it’s March 14—yes, 3/14—and 3.14 is the value of pi to two decimals. Of course, the actual number continues to an ...

The radius of a circle or a sphere is the distance between the center and the edge. The radius can be used to calculate a circle's diameter, area and circumference. Likewise, a sphere's volume is ...

The executable version of the program can be downloaded from the main page of the repository and can easily be ran on your desktop. I recommend trying out the program first to see exactly how it works ...

The formula for finding the area of a circle is 𝑨 = π𝒓² The ability to round a number to a number of decimal places or to a number of significant figures is essential if answers are to be written to ...