Circle theorems

Author:
shane.williams

  • Angles in a triangle

    Angles in a triangle

  • Angles subtended at the centre

    Angles subtended at the centre

  • Angles in the same segment

    Angles in the same segment

  • Angles in cyclic quadrilateral

    Angles in cyclic quadrilateral

  • Angle in a semi-circle

    Angle in a semi-circle

  • Angle between the tangent and the radius

    Angle between the tangent and the radius

  • Two tangents to a circle

    Two tangents to a circle

  • Circle with two tangents

    Circle with two tangents

  • Alternate segment theorem

    Alternate segment theorem

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Angles in a triangle

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