Tangent to a Circle

S#	Lecture	Course	Institute	Discipline
1	Proof: Radius is perpendicular to tangent line	Tangent to a Circle	Khan Academy	Basic and Health Sciences
2	Proof: Segments tangent to circle from outside point are congruent	Tangent to a Circle	Khan Academy	Basic and Health Sciences
3	Tangents of circles problem (example 1)	Tangent to a Circle	Khan Academy	Basic and Health Sciences
4	Tangents of circles problem (example 2)	Tangent to a Circle	Khan Academy	Basic and Health Sciences
5	Tangents of circles problem (example 3)	Tangent to a Circle	Khan Academy	Basic and Health Sciences

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