Pi, by itself is not enough. You need the radius which is the length from the centre of the circle to its circumference (its boundary). If the radius is r, then the area is pi*r*r If, instead of the radius, you have a diameter - the length from one side to the other, through the centre - then radius = diameter/2. Once you have r you can calculate the area. If you have the circumference, then that is 2*pi*r and from that you can determine r and so calculate the area.
Using 3.14 as Pi the area of circle is: 0
Using 3.14 as Pi the area of circle is: 0
Using 3.14 as Pi the area of circle is: 0
Using 3.14 as Pi the area of circle is: 78.5
Using 3.14 as Pi the area of circle is: 153.86
Using 3.14 as Pi the area of circle is: 0
Using 3.14 as Pi the area of circle is: 314.0
Using 3.14 as Pi the area of circle is: 0
Using 3.14 as Pi the area of circle is: 530.66
Using 3.14 as Pi the area of circle is: 0
Using 3.14 as Pi the area of circle is: 113.03999999999999
area of a circle is equal to pi times the square of its radius.. A=(pi)r^2
Area of a circle = pi*radius2
Pi is the number of times the diameter of a circle will fit into the circumference. Pi is not a circle, and does not have a circumference or area. To calculate a circumference USING pi, the circumference is diameter * pi. To find the area using pi, area = pi * radius * radius
Using 3.14 as Pi the area of circle is: 78.5
Using 3.14 as Pi the area of circle is: 153.86
Using 3.14 as Pi the area of circle is: 0