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The formula for finding the area of a circle is A=(pi)R^2.
R is the radius of the 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 ...

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 a circle | Area and circumference of circles | Khan Academy

www.khanacademy.org/math/basic-geo/basic-geo-area-perimeter/basic-geo-area-circumference/v/area-of-a-circle

In this example, we solve for the area of a circle when given the diameter. If you ... The formula for area in the cirlce is pi (3.14 or 22/7) time r (radius) squared.

What is the Formula for the Area of a Circle? | Virtual Nerd

www.virtualnerd.com/tutorials/?id=PreAlg_11_03_0006

Did you know that you can figure out the formula for the area of a circle by first turning the circle into a parallelogram? It seems a little weird, but it really works!

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 Find the Area of a Circle if You Know the Diameter ...

www.virtualnerd.com/tutorials/?id=PreAlg_11_01_0015

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

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

You will also learn how to find the area of a sector, which is a slice of a circle, similar in shape to a slice of pie or pizza. === Sample... ... Read the formula.

BBC - GCSE Bitesize: Area of a circle

www.bbc.co.uk/schools/gcsebitesize/maths/geometry/circlesrev3.shtml

Area of a circle. There is only one formula for the area of a circle: A = π r<sup>2</sup>. We must therefore remember to use the radius each time. Question. Find the area of a ...

www.ask.com/youtube?q=Equation for Area of Circle&v=eBAsK9jB91I
Apr 23, 2008 ... In this lesson, students learn that the formula for the area of a circle is pi times radius squared, so the area of a circle that has a radius of 5 ...
Popular Q&A
Q: What is the equation for area of a circle?
A: The formula you are looking for is Area = pi x radius x Read More »
Source: www.chacha.com
Q: What is the equation for the area of a circle?
A: pi(r)2 (pi times the radius of the circle squared) Read More »
Source: wiki.answers.com
Q: What is the equation for the area of a circle?
A: The formula to find a circle's area : nx(radius)2 usually expressed as Read More »
Source: www.chacha.com
Q: What is the equation for the area of a circle?
A: The area of a circle can be found by multiplying pi (3.14) by the radius squared. A = (pi)r^2! Read More »
Source: www.kgbanswers.com
Q: What is the equation for the area of a circle?
A: the area of a circle doesn't have equation because the area is a number. A number can't have an equation. What you mean is the formula for the area of a circle Read More »
Source: answers.yahoo.com