Education Technology
Geometry: Circles Classroom ActivitiesDownload
Geo_Chords_of_a_Circle_sm

Chords of a Circle

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Explore the relationship between chords of a circle and their perpendicular bisectors.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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Geo_Circles_Angles_and_Arcs_sm

Circles - Angles and Arcs

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Investigate inscribed angles, central angles and intercepted arcs relationships in circles.
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    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
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Geo_Cyclic_Quadrilaterals_sm

Cyclic Quadrilaterals

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Explore the relationship between chords of a circle and their perpendicular bisectors.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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  • TI-Nspire™ CAS
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Geo_Circles_Equation_of_a_Circle_sm

Exploring the Equation of a Circle

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Explore right triangles and the Pythagorean Theorem to develop the equation of a circle.
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    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Apps for iPad®
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  • TI-Nspire™
  • TI-Nspire™ CAS
Download7,049
Geo_Intersecting_Lines_and_Segment_Measures_sm

Intersecting Lines and Segment Measures

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Explore the relationship between intersecting lines and the measures of various segments on those lines.
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    TI-Nspire™ CX
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    TI-Nspire™ CX CAS
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  • TI-Nspire™ CAS
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PositiveNegativeAnglesArcs_sm

Positive and Negative Angles and Arcs

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Investigate the relationships among the angles of intersection of the two lines and the intercepted arcs using positive and negative angle and arc measures.
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    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
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  • TI-Nspire™ CAS
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Geo_Secants_Tangents_and_Arcs_sm

Secants, Tangents and Arcs

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Explore the angle and arc relationships for two intersecting lines that intersect a circle.
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    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
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  • TI-Nspire™ CAS
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Geo_Tangents_to_a_Circle_sm

Tangents to a Circle

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Explore properties of tangent lines and how they differ from secant lines.
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    TI-Nspire™ CX
  • ax-icon-color-device
    TI-Nspire™ CX CAS
  • TI-Nspire™ Apps for iPad®
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  • TI-Nspire™
  • TI-Nspire™ CAS
Download7,072