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To calculate the area of a circle, square the radius and multiply by pi (approximately 3.14). This enables you to find the area of any...

Calculate the Area of a Circle
Enter the radius:

Area of a Circle - Math Goodies

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.

Area of a Circle - Math is Fun

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

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 | Circumference and area of circles | Khan Academy

In this example, we solve for the area of a circle when given the diameter. ... And we can get our calculator to figure out; what this will be in decimal form. So we ...

Area of a circle - Calculator Soup

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 -

This calculator will calculate the area of a circle given its radius.

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

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

Area of a circle calculator - Basic mathematics

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

Popular Q&A
Q: How to Calculate Area of a Circle.
A: 1. Find the circle's diameter, which is the length of a straight line through the circle's center. 2. Divide the diameter in half. This provides you with the ra... Read More »
Q: How To Calculate Area Of A Circle?
A: Area = ∏r2 (∏ * r squared). Read More »
Q: Calculate Area Of a Circle?
A: plz refer to the following link… Read More »
Q: Calculating area of a circle with circumference of 13?
A: First, determine the diameter by dividing the circumference by Pi (about 3.1416) 13 / 3.1416 = 4.14. Next, divide the diameter by two to get the radius: 4.14 / ... Read More »
Q: How do you calculate area of a circle
A: The area of a circle is calculated by multiplying the Radius^2 by p... ...MORE... Read More »