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12-2 Properties of Tangents

Tangent: Intersects the circle in exactly ONE point.

Thm 12-2: If a line is tangent to a circle, then the radius is perpendicular at the point of tangency.

The converse of that is true.

12-2 Day 2

Thm 12-4: Two segemnts tangent to a circle from the same point outside the circle are congruent.

Problem 12-2

What is the definition of Tangent?