Khan Academy Static

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

3980_Tangents_of_circles_problem_example_1_.html

3982_Tangents_of_circles_problem_example_3_.html

3981_Tangents_of_circles_problem_example_2_.html

3979_Proof_Segments_tangent_to_circle_from_outside_point_are_congruent.html

3978_Proof_Radius_is_perpendicular_to_tangent_line.html

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