# Tangent Chord Angle

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The angle formed by a tangent to a circle and a chord is equal to half the angle measure of the intercepted arc.

Contributed by: Jay Warendorff (March 2011)

Open content licensed under CC BY-NC-SA

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detailSectionParagraph## Permanent Citation

"Tangent Chord Angle"

http://demonstrations.wolfram.com/TangentChordAngle/

Wolfram Demonstrations Project

Published: March 7 2011