Take the diameter of the circle times 3.14159 (which is PI).
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Area of a circle measured in square units = pi*radius2
The formula for calculating the area of a circle - is Pi x r x r... where r is the radius.
Area of any circle is: pi*radius*radius or pi*r^2
4 * pi * r * r15 Fby subcooling20The formula for calculating the area of a circle - is Pi x r x r
Nobody ever has because the true value of pi has never been worked out and we only use an approximation of pi when calculating the area of a circle.
The equation for calculating the area of a circle is A r2, where A represents the area and r is the radius of the circle.
The formula for calculating the area of a circle is A r2, where A is the area and r is the radius of the circle. Another way to calculate the area is using the formula A d2/4, where d is the diameter of the circle.
Area of a circle measured in square units = pi*radius2
Area of any circle = (pi) x (Radius)2
Ï€*r2, where r is the radius of the circle.
area = radius * radius * Math.pi;
The formula for calculating the area of a circle - is Pi x r x r... where r is the radius.
Area of any circle is: pi*radius*radius or pi*r^2
Area of circle = pie x (r squared) = πr^2 r = radius π = pie = 22/7 or 3.142
The formula for calculating the area of a circle is:r²πSo, the area of a circle with a diameter of 6 inches (with a radius of 3 inches) is:3²π = 9π ≈ 28.2743 in²
4 * pi * r * r15 Fby subcooling20The formula for calculating the area of a circle - is Pi x r x r
Nobody ever has because the true value of pi has never been worked out and we only use an approximation of pi when calculating the area of a circle.