Where pi is a constant of approximation that is approximately 3.14159265359. The area of a circle is given by the formula. Thus, to know the radius from the perimeter, you must divide the perimeter by Pi to get the diameter, then divide it by 2, which will give you the radius.Īlso discover our tool to calculate the perimeter of a circle from the radius. To calculate the area of a circle, we use the circle area formula using the radius, or diameter.
The perimeter is equal to the diameter of the circle multiplied by Pi (π). The perimeter represents the outline of the circle. R = Diameter / 2 Calculation of the radius from the perimeter:
So, to get the radius of your circle by knowing the diameter, you simply divide the diameter by 2. The diameter of a circle is twice the radius. Start by searching for the shelf from the information you have: Calculation of the radius from the diameter: If you want to get the area of your circle, and you do not have its radius, several solutions are available to you. Calculator Techniques for Polygons in Plane Geometry Solving problems related to plane geometry especially polygons can be easily solved using a. Enter the radius of your circle in our tool, you get the area of your disc directly. The area of the triangle inscribed in a circle is 39.19 square centimeters, and the radius of the circumscribed circle is 7.14 centimeters. To use our calculator, you only need to know the radius of your circle.
AREA OF A CIRCLE CALCULATOR HOW TO
(R) 2 X π = Area of the circle How to Calculate the Area of a Circle with Calculator Market? You get the area of a circle or a disc by multiplying its radius by the number Pi (π). IMPORTANT: All measurements are in the same unit. It is thanks to this method that we propose to you a calculator specially dedicated to the calculation of a disc area. The simplest method to calculate the area of a circle is the radius using the number Pi (3.14159 …).
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