**Quadratic formula calculator. Shows solutions in simplest radical form!


Circles, arcs, chords, tangents ...

Interactive & Exploratory Activities



All of these activities involve interactive programs whose circles you can manipulate by clicking and dragging points.
  • Interactive Central Angle and Arc of a Circle
  • Interactive Equation Circle (Explore standard form equation)
  • Interactive Circumference
  • Interactive Area of circle
    • Circle Quiz (inscribed angles, secants, tangents)
    Equation of Circle (standard Form)
    		Inscribed Angles

    Area of Circle
    Circumference of Circle

    Chord of a Circle
    		I
    Product of segments theorem

    		Intersecting Chords
    Angles & Arcs of Intersecting Chords
    Tangent of Circle
    		Arc of a Circle
    Also Central Angles

    		Angle of tangent & Chord
    Power Of the Point
    Theorems involving Angles and Arcs
    Theorems involving Segments(tangents, secants)
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