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1 dzień temu · 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 .
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Input the radius in the circle area formula: A = π × (3 cm)²...
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Area of a Circle Calculator. 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.
3 dni temu · 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:
6 dni temu · Input the radius in the circle area formula: A = π × (3 cm)² = 28.2743 cm². Also, input the radius in the circumference formula: c = 2π × (3 cm) = 18.8496 cm. Check your results with the circle formula calculator. The results should also be 28.2743 cm² and 18.8496 cm for area and circumference.
6 lut 2024 · Calculate the area, circumference, radius and diameter of circles. Find A, C, r and d of a circle. Given any 1 known variable of a circle, calculate the other 3 unknowns. Circle formulas and geometric shape of a circle.
This calculator will calculate the area of a circle given its diameter, using the famous formula area = pi times (d/2) squared. It supports different units such as meters, feet, and inches. Just type into the box and hit the calculate button.
The formula to find the area of a circle given its diameter is: A = π × ( d 2 )². The area A is equal to pi times the diameter d divided by 2, squared.