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  1. www.omnicalculator.com › math › radius-of-a-circleRadius of a Circle Calculator

    6 dni temu · There are three circle radius formulas, depending on what number you know: The radius of a circle from the area: if you know the area A, the radius is r = √(A / π). The radius of a circle from circumference: if you know the circumference c, the radius is r = c / (2 × π).

  2. www.symbolab.com › solver › circle-radius-calculatorCircle Radius Calculator - Symbolab

    Free Circle Radius calculator - Calculate circle radius given equation step-by-step

  3. www.omnicalculator.com › math › circleCircle Calculator

    3 dni temu · You can calculate it as follows: If you know the radius or diameter of the circle, the area of the circle formula is: a = πr² = π × (d / 2)². If radius and diameter are unknown, you can calculate it from the circumference: a = c² / 4π. If you are interested in calculations of some fraction of a circle, check:

  4. calculator-online.net › volume-of-a-circle-calculatorVolume of a Circle Calculator

    Volume of a Circle Formula: If your goal comes up with the manual calculations of the volume of a circle, then you need to use the following circle volume formula: Volume of Circle = π * R2 R 2 * H. where; π = Constant value. R = Radius of the circle. H = Height of the circle.

  5. www.omnicalculator.com › math › circle-equationEquation of a Circle Calculator

    27 cze 2024 · This standard equation of a circle calculator will help you determine a circle's radius and center coordinates in a blink of an eye. If you are curious about how to find the equation of a circle, scroll down, and you'll find an explanation of the formula.

  6. www.mathportal.org › calculators › analytic-geometryCircle equation calculator - with detailed explanation - Math...

    This calculator can find the center and radius of a circle given its equation in standard or general form. Also, it can find equation of a circle given its center and radius. The calculator will generate a step by step explanations and circle graph.

  7. owlcalculator.com › geometry › circle-radius-calculatorCircle radius calculator

    Through circumference. The radius of the circle is the equidistance of all points of the circle from its center. Regardless of the size of the circle, the radius is the ratio of the circumference to twice the number π, approximately equal to 3.14. The formula is: r = \dfrac {P} {2\pi} r = 2πP.