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1. www.omnicalculator.com › math › area-of-a-circleArea of a Circle Calculator

   www.omnicalculator.com › math › area-of-a-circle

   • Αποθηκευμένο αντίγραφο

   30 Ιουλ 2024 · The area of a circle calculator helps you compute the surface of a circle given a diameter or radius. Our tool works both ways — no matter if you're looking for an area-to-radius calculator or a radius to the area one, you've found the right place

   • Find C, D, A, R

     A circle is a simple, distinctive shape with many unusual...

   • Arc Length

     To calculate arc length without radius, you need the central...

   • Circumference to Diameter Calculator

     Suppose you want to find the circumference of a 5 cm...

   • Circumference and Area of a Circle Calculator

     Suppose you want to know how to find the circumference and...

2. circleareacalculator.com › how-to-calculate-the-area-of-a-circleHow to calculate the area of a circle - circleareacalculator.com

   circleareacalculator.com › how-to-calculate-the-area-of-a-circle

   • Αποθηκευμένο αντίγραφο

   To calculate the area of a circle manually, you need to use the formula: Area = πr^2, where r is the circle’s radius. Here’s how to do it: Measure the radius of the circle.

3. www.free-online-calculator-use.com › circle-calculatorCircle Calculator to Solve Area, Circumference, Diameter, Radius

   www.free-online-calculator-use.com › circle-calculator

   • Αποθηκευμένο αντίγραφο

   This geometry calculator will take one known circle measurement (area, circumference, diameter, or radius) and calculate the other three. Plus, unlike other online circle calculators, this calculator will show its work and give a detailed, step-by-step explanation of the formulas and sequence used to arrive at each result.

4. www.math-salamanders.com › area-of-a-circle-calculatorArea of a Circle Calculator - Math Salamanders

   www.math-salamanders.com › area-of-a-circle-calculator

   • Αποθηκευμένο αντίγραφο

   Choose the area value: you can choose a whole number, decimal or fraction. You will be shown the radius and diameter of the circle as a decimal to the required accuracy. The formula for the area of a circle is: A = πr2, where r is the radius of the circle.

5. www.mathportal.org › calculators › plane-geometry-calculatorsCircle calculator - Math Portal

   www.mathportal.org › calculators › plane-geometry-calculators

   • Αποθηκευμένο αντίγραφο

   This calculator computes the area, circumference, radius and diameter of a circle. The calculator provides a step-by-step explanation to find the unknown element. Input one element of a circle and select element to find.

6. www.gigacalculator.com › calculators › area-of-circle-calculatorArea of a Circle Calculator

   www.gigacalculator.com › calculators › area-of-circle-calculator

   • Αποθηκευμένο αντίγραφο

   Use this calculator to easily calculate the area of a circle, given its radius in any metric: mm, cm, meters, km, inches, feet, yards, miles, etc. How to calculate the area of a circle? The formula for the area of a circle is π x radius2, but the diameter of the circle is d = 2 x r 2, so another way to write it is π x (diameter / 2)2.

7. www.storyofmathematics.com › math-calculators › circle-area-calculatorCircle Area Calculator + Online Solver With Free Steps - The...

   www.storyofmathematics.com › math-calculators › circle-area-calculator

   • Αποθηκευμένο αντίγραφο

   The Circle Area Calculator finds a circle’s area given the circle’s radius using the “pi r squared” formula with pi rounded to two decimal places. Note that the calculator expects a real, constant value as input.