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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 .
The area of a circle is: π (Pi) times the Radius squared: A = π r2. or, when you know the Diameter: A = (π/4) × D2. or, when you know the Circumference: A = C2 / 4π.
Understand that you can easily determine the area of a circle using the formula Area = π × r^2, where π is approximately 3.14, and r represents the radius of the circle. Note that radius is half the diameter of a circle.
You can find the area of a circle using the radius, the diameter, or the circumference. To find the area using the radius, or the length from the center of the circle to the edge, use the formula area = πr^2, where r is the radius. For example, if the radius of the circle is 6 inches, first you would square 6 and get 36.
Formula for Area of circle. The formula to find a circle's area π π (radius) 2 usually expressed as π ⋅r2 π ⋅ r 2 where r is the radius of a circle. Diagram 1. Area of Circle Concept. The area of a circle is all the space inside a circle's circumference. In diagram 1, the area of the circle is indicated by the blue color.
Area of a Circle. Area of a circle is the region occupied by the circle in a two-dimensional plane. It can be determined easily using a formula, A = πr2, (Pi r-squared) where r is the radius of the circle. The unit of area is the square unit, such as m2, cm2, etc.
The formula for the area of a circle is A = πr 2, where r is the radius of the circle. The unit of area is the square unit, for example, m 2, cm 2, in 2, etc. The area of a circle formula is useful for measuring the region occupied by a circular field or a plot.
The area of a circle can be found using the following formula: A = πr 2 where A is area, r is radius, and π is the mathematical constant approximately equal to 3.14159.
The area of a circle can be calculated using three different formulas. The formulas are used based on whether the radius, diameter, or circumference is known to us. Each of the three situations is discussed below with their formulas and solved examples.
The area of a circle formula is A = πr 2. The area of a circle is the plane region bounded by the circle's circumference. The figure below depicts the area of a circle in red bounded by the circumference in grey. There are a few area formulas.