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Free Circle equation calculator - Calculate circle's equation using center, radius and diameter step-by-step
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This calculator can find the center and radius of a circle given its equation in standard or general form. Also, it can find equation of a circle given its center and radius. The calculator will generate a step by step explanations and circle graph.
Wolfram|Alpha Widget: Equation of a Circle Calculator. Enter the Circle Centre: (. , ) (Select option and then enter its value) Radius. Passing through the point. Find Equation of Circle.
The standard equation for a circle centred at (h,k) with radius r. is (x-h)^2 + (y-k)^2 = r^2. So your equation starts as ( x + 1 )^2 + ( y + 7 )^2 = r^2. Next, substitute the values of the given point (2 for x and 11 for y), getting. 3^2 + 18^2 = r^2, so r^2 = 333. The final equation is (x+1)^2 + (y+7)^2 = 333.
How to Plot a Circle by Hand. 1. Plot the center (a,b) 2. Plot 4 points "radius" away from the center in the up, down, left and right direction. 3. Sketch it in!
Circle Equation Calculation Methods. Evolution of Circle Equation Calculation. Limitations of Circle Equation Calculation. Alternative Methods. FAQs on Circle Equation Calculator. References. Circle Equation Formula. The standard formula for the equation of a circle is as follows: (x – h)² + (y – k)² = r². Circle Equation Categories.
This circle equation calculator displays a standard form equation of a circle, a parametric form equation of a circle, and a general form equation of a circle given the center and radius of the circle. Formulas can be found below the calculator. Equation of a circle given the centre and the radius. Center. x. y. Radius. Calculate.