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Calculate the Area of a Circle

## 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. ... In the last lesson, we learned that the formula for circumference of a circle is: C ...

## Circle Calculator - Calculator Soup

www.calculatorsoup.com/calculators/geometry-plane/circle.php

Calculate the area, circumference and radius of circles. Given any 1 known variable of a circle, calculate the other 2 unknowns. Circle formulas and geometric ...

## 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 calculator - Basic mathematics

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

6 days ago ... Given the radius, use this area of a circle calculator to find the area for any circle.

## 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.

## 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 - 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 done "live":.

## How do you calculate the square footage of a circle? | Reference.com

www.reference.com/math/calculate-square-footage-circle-4ff067474032a974

The area of a circle is determined by the formula: A = π r2. You can easily calculate the area of a circle in under a minute. All you need is a calculator, a circle to ...

## Circle Calculator - Calculate Area, Diameter, Circumference and ...

www.easycalculation.com/area/circle.php

The Circumference is the distance once around the circle. This online circle calculator allows you to calculate the area, diameter, circumference and sector area ...