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": ...
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.
In this example, we solve for the area of a circle when given the diameter. ... We
can get a calculator to figure out what this will be in decimal form. So, we have ...
Note: If you know the radius 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.
Calculate the area, circumference and radius of circles. Given any 1 known
variable of a circle, calculate the other 2 unknowns. Circle formulas and
Area of a circle, formula for area explained with examples, pictures, interactive
examples and quiz.
This calculator will calculate the area of a circle given its radius.
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
Apr 23, 2008 ... Note that the radius of a given circle is half the diameter of the circle. So to find
the area of a circle with a given diameter, first find the radius of ...