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  • Geometry - Circles Unit
      Two tangents to a circle
      Inscribed Angles and Intercepted Arcs
      Inscribed Angle Intercepting a Semicircle
      Tangent meets radius
      Explore Tangent Line-Chord Angles (Circles)
      Exploring Congruent Chords
      Congruent Chords
      Chord perpendicular to radius
      Arcs Intersecting Chords
      Congruent Chords and their Central Angles - Large Font
      Angles Formed by Secants and Tangents
      ACCESS - Secants and Tangents
      Explore - Chord Length
      10.5 Angles Formed by Chords Intersecting Inside a Circle
      Arcs intercepted by Tangent and Secant
      Power Theorem - Tangent & Secant Segments
      tangent-secant theorem
      Arcs Intercepted by Two Secant Lines

Geometry - Circles Unit

Author:
dmarks, Michelle Connolly
Topic:
Circle, Geometry
GeoGebra exploration activities to accompany the NYS Geometry Circles Unit

  • Two tangents to a circle

  • Inscribed Angles and Intercepted Arcs

  • Inscribed Angle Intercepting a Semicircle

  • Tangent meets radius

  • Explore Tangent Line-Chord Angles (Circles)

  • Exploring Congruent Chords

  • Congruent Chords

  • Chord perpendicular to radius

  • Arcs Intersecting Chords

  • Congruent Chords and their Central Angles - Large Font

  • Angles Formed by Secants and Tangents

  • ACCESS - Secants and Tangents

  • Explore - Chord Length

  • 10.5 Angles Formed by Chords Intersecting Inside a Circle

  • Arcs intercepted by Tangent and Secant

  • Power Theorem - Tangent & Secant Segments

  • tangent-secant theorem

  • Arcs Intercepted by Two Secant Lines

Next
Two tangents to a circle

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  • Open Middle Inscribed Angle Exercise (2)
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  • Open Middle: Graphing Linear Inequalities (3)

Discover Resources

  • Elementary Math (Sec 1 to 4) Applets
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  • MCV4UB Lesson 7 Activity 2
  • sin cos tan
  • Intersection of a line and a circle

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  • Vectors 2D (Two-Dimensional)
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