Web Results

Area of a Circle - Math Goodies

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

is the radius. Let's look at some examples involving the area of a circle. In each of the three examples below, we will use Pi = 3.14 in our calculations.

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":.

Online Conversion - Area of a Circle

www.onlineconversion.com/shape_area_circle.htm

Calculate the area and circumference of a circle. ... For help with using this calculator, see the shape area help page. Return to the Shape Area section ...

Area of a circle | Geometry foundations | Khan Academy

www.khanacademy.org/math/geometry/hs-geo-foundations/hs-geo-area/v/area-of-a-circle

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

Note: If you have the diameter of a circle, you can use it to find the area of that circle. Just plug that value into the formula for the area of a circle and solve.

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

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

... 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 measure and a tool with...

Area of a circle calculator - Basic mathematics

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

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

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.

Area of Sectors and Segments of Circles - Regents Exam Prep Center

www.regentsprep.org/regents/math/geometry/gp16/circlesectors.htm

Let's review what we know about the area of circles and sectors. Area (circle). Area of sectors of circle (Sectors are similar to "pizza pie slices" of a circle.) Semi-  ...

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 ...

Answer
Calculate the Area of a Circle
Enter the radius:
More Info

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

www.wikihow.com

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

Circle Calculator - Calculator Soup

www.calculatorsoup.com

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 ...

Calculate the Area of a Circle - CalculateMe.com

www.calculateme.com

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