GeoGebra
Circle theorems
Angles in a triangle
Angles subtended at the centre
Angles in the same segment
Angles in cyclic quadrilateral
Angle in a semi-circle
Angle between the tangent and the radius
Two tangents to a circle
Circle with two tangents
Alternate segment theorem
GeoGebra
Circle theorems
Author:
shane.williams
Angles in a triangle
Angles subtended at the centre
Angles in the same segment
Angles in cyclic quadrilateral
Angle in a semi-circle
Angle between the tangent and the radius
Two tangents to a circle
Circle with two tangents
Alternate segment theorem
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