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## Area of a Circle - Math Goodies

www.mathgoodies.com/lessons/vol2/circle_area.html

Area of a circle is presented in this interactive lesson from Math Goodies. ... or incorrect. To start over, click CLEAR. Use Pi = 3.14 to calculate your answers.

## How to Calculate the Area of a Circle (with Examples) - wikiHow

www.wikihow.com/Calculate-the-Area-of-a-Circle

Six Methods:Calculate Area ExamplesSample CalculatorArea of the Circle Finding the Area of a SectorSpecial circlesMeasuring the Diameter of Round Physical ...

## Area of a Circle - Math is Fun

www.mathsisfun.com/geometry/circle-area.html

Area of a Circle. Calculator Enter the radius, diameter, circumference or area of a Circle to find the other three. The calculations are ... How to Calculate the Area ...

## Calculate the Area of a Circle - CalculateMe.com

www.calculateme.com/cArea/AreaOfCircle.htm

This calculator will calculate the area of a circle given its radius, using the famous formula area = pi x r squared.

## Area of a circle | Area | Geometry foundations | High school ...

The area of a circle is pi times the radius squared (A = π r²). Learn how to use this formula to find the area of a circle when given the diameter.

## How Do You Find the Area of a Circle if You Know the Diameter ...

www.virtualnerd.com/pre-algebra/perimeter-area-volume/circles/circle-sector-area-examples/circle-area-from-diameter

If you have the diameter of a circle, you can use it to find the area of that circle. ... Did you know that you can figure out the formula for the area of a circle by first ...

## Calculate the Area of a Circle - Basic mathematics

www.basic-mathematics.com/area-of-a-circle.html

To calculate the area of a circle using the value of pi is what this lesson will teach you.

## Area of circle, formula and illustrated lesson: how to calculate the ...

www.mathwarehouse.com/geometry/circle/area-of-circle.php

Area of a circle, formula for area explained with examples, pictures, interactive examples and quiz.

## Circle Area Calculator - CalcuNation Online Calculators

www.calcunation.com/calculator/circle-area.php

With this circle calculator you can find the area of a circle to help with your geometry problems.

## Area of a circle calculator - Basic mathematics

www.basic-mathematics.com/area-of-a-circle-calculator.html

The following area of a circle calculator will help you find the area of any circle when the radius is given. Just enter the value of the radius and hit calculate button ...