Equations Quiz and Tangents SOL G.12 By the end of class today, I will be able to solve problems about the equation of a circle and tangents to circles, as evidenced by scoring at least 75% on a class quiz and completing a problem set of problems on these topics. Essential Questions -How does the equation of a circle relate to the graph of that same circle?

Today’s Agenda Homework Review Equations of Circles Quiz Tangents of Circles Exit Ticket

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CODE YELLOW A Tangent Line intersects a circle at only one point, called the point of tangency. A line is tangent to a circle only if it creates a right angle with the radius of a circle at the point of tangency. To prove a line is tangent, use the Pythagorean Theorem:

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CODE YELLOW More Tangent Line Properties

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