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Mathematics

Tangent-chord angles

The angle between a tangent and a chord is half the measure of its intercepted arc.

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Chapter 23: Circle angle and chord relationships7 lessons · 27 min
  1. 1Inscribed angles and intercepted arcs4 min
  2. 2Chord and arc relationships3 min
  3. 3Tangent-chord angles3 min
  4. 4Angles formed by chords and secants4 min
  5. 5Intersecting chord lengths3 min
  6. 6Secant and tangent lengths4 min
  7. 7Challenge: Circle angle and chord relationships6 min
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This lesson is part of the Mathematics course.

Example plan3 lessons · 10 min

Chord and arc relationships3 min
Tangent-chord anglesCircle angle and chord relationships3 min
Angles formed by chords and secantsCircle angle and chord relationships4 min

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