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Equations of a Circle

Equations of a Circle

Deriving the standard and expanded equations of a circle. Using the equations of a circle to find the center and radius of a given circle.

Mapped to CCSS Section# HSG.GPE.A.1

Derive the equation of a circle of given center and radius using the Pythagorean Theorem; complete the square to find the center and radius of a circle given by an equation.