area of a circle

Area of a Circle or Regular Polygon

Posted on June 29, 2019 by Samuel Nunoo

There’s a nice way to see why the formula for the area of a circle of radius R is: Pi...

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Area of an Ellipse

Posted on June 26, 2019 by Samuel Nunoo

You know the formula for the area of a circle of radius R. It is Pi * R2. But what...

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