Basil Ghobrial – Resources – GeoGebra

Arrangements of Planes in Space
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Basil Ghobrial
Self Discovery of the Sine Rule
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Basil Ghobrial
Circumference of a circle
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Basil Ghobrial
Introduction to trig ratios
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Basil Ghobrial
Chords of a circle
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Basil Ghobrial
The tangent-radius
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Basil Ghobrial
The angle between a tangent and a chord
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Basil Ghobrial
Tangents from an external point
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Basil Ghobrial
Angles subtended by the same arc
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Basil Ghobrial
The angle at the centre
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Basil Ghobrial
Simson's Line
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Basil Ghobrial
The angle in a semi-circle
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Basil Ghobrial