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What is the equation for a circle with a center of (1 -1) and a radius of 1?
Wiki User
∙ 7y ago
The equation of a circle through the center (using "^" for power) is:
x^2 + y^2 = r^2
To have the center anywhere else, say, through point (a, b), just replace "x" with "x-a" (in this case: x - 1), and "y" with "y-b" (in this case: y - -1, or y + 1).
Wiki User
∙ 7y ago
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