Khan Academy Static

Explore, prove, and apply properties of circles that involve tangents.

7688_Tangents_of_circles_problem_example_1_.html

7690_Tangents_of_circles_problem_example_3_.html

7687_Proof_Segments_tangent_to_circle_from_outside_point_are_congruent.html

7689_Tangents_of_circles_problem_example_2_.html

7686_Proof_Radius_is_perpendicular_to_tangent_line.html

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