B George – Resources – GeoGebra

Circle Theorem 1 - Angle at the centre = 2 x Angle at the circumference
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B George
Circle Theorem 6 - Angles in a Cyclic Quadrilaterial
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Enlargements - Sides and Areas
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Enlargements
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Quadratic Function
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Equation of a straight line - y=mx+c
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Circle Theorem 2 - Angles in the same segment are equal
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Circle Theorem 3 - Radius is Perpendicular to Tangent
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Circle Theorem 4 - Alternate angle theorem
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Circle Theorem 5 - Tangents from a point are equal length
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Circle Theorem 7 - Angles in a Semi-Circle
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B George