Area of a circle is presented in this interactive lesson from Math Goodies. ...
Summary: Given the radius or diameter of a circle, we can find its area. We can
... to find 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.
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.
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.
This calculator will calculate the area of a circle given its radius.
Area of a circle, formula for area explained with examples, pictures, interactive
examples and quiz.
Calculate the area, circumference and radius of circles. Given any 1 known
variable of a circle, calculate the other 2 unknowns. Circle formulas and
www.ask.com/youtube?q=Figure Area of a Circle&v=aZi1rgsZs4s
Sep 7, 2012 ... This tutorial shows how to find the area of a circle, given a diameter or a radius of
a circle. Learn Math Tutorials Bookstore ...
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
The Circumference is the distance once around the circle. This online circle
calculator allows you to calculate the area, diameter, circumference and sector