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Published on January 9th, 2013 In category Geometry | Maths

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Formulae to calculate area of the ring and arc

Area enclosed between 3 touching circlesIn this article we would be covering the topic that involve the circles but have a certain conditions attached to calculating a part of circle. for eg. how to calculate the area of the ring or how to calculate the area of arc. Or say how to calculate the enclosed between 3 circles when they touch each other as shown in the diagram. Here are some easy way to solve these problems

If you need to refer the formulae for area of sphere and square, please click here



Area of the Ring

The trick to get the area of ring is subtract area of bigger circle and smaller circle






Area of the arc of a circle







Area of Ellipse


Perimeter and Area of Ellipse






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