Circle equation calculator This calculator can find the center and radius of a circle given its equation in standard or general form. To calculate the circles equation insert those three numbers into this equation. Comparing a Circle to a Square It is interesting to compare the area of a circle to a square.
General standard form Equation of a conic section.
Then we want to calculate the area of a part of a circle expressed by the central angle. This is a great starting point. Area of a circle p d2 2. Ax2BxyCy2DxEyF0where ABCDEF are constants From the standard equation it is easy to determine the conic type eg.