About:
Area of a Circle is an online tool to find Circle's area. The formula to determine the Area of a Circle is πr2. It has quite user friendly appearance for both desktop and mobile view. Try for this online tool to find Area of a Circle.
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How to calculate the Area of a Circle?
Formula to calculate Area of a Circle is πr2, where r is radius. Here, in this tool we can find area of a circle by using
radius or by diameter or by circumference.
Area of circle= πr2
If radius = 4 centimeters
Area = 3.14x4x4 (value of π is 3.14)
= 50.24 centimeters
If diameter = 4 centimeters
radius = diameter/2
radius = 4/2
= 2 centimeters
So, Area = 3.14x2x2 (value of π is 3.14)
= 12.56 centimeters
If cicumference = 4 centimeters
circumference of circle = 2πr
radius = 4/2π
radius = 0.6369
So, Area = 3.14x0.6369x0.6369 (value of π is 3.14)
= 1.27388 centimeters
How to calculate the Area of a Circle using this tool?
1. Select input type as Radius/Diameter/Circumference.
2. Enter value in input text area.
3. Press button 'Find Area' to calculate Area of a Circle.
4. You will get area in output text area.
Is goformule.com easy and simple to learn?
goformule.com is very easy and simple tool to learn. It has very user friendly view which makes user to use it quite easily. some functions are written in javascript and some in webservices. The tool has different converters and string functions which makes this tool very versatile.
Is this tool free?
Yes, it is 100% free tool to use.
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