Circle Theorems | Tan-chord | Alternate Segment Theorem | Euclidean Geometry | Proof

This video teaches you how to prove the #circletheorem : The angle between a tangent to a circle and a chord drawn from the point of contact is equal to an angle in the alternate segment. #tan-chord

Whether you're just starting out, or need a quick refresher, this is the video for you!

Skills needed: Circle Geometry Proofs
Angles in the same segment are equal.

Opposite angles of a cyclic quad are supplementary

Angles in a semicircle

Angle at center = 2 X Angle at circumference

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