appelj – Resources – GeoGebra

Properties of parallelograms - discovery activity
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appelj
Exploring the mid segment of a triangle
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Circle
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No Title
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Lines tangent to a circle
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Lines tangent to a circle
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Line tangent to a circle is perpendicular to the radius
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cyclic quadrilateral
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cyclic quadrilateral
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Inscribed angles
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Inscribed angle
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Inscribed angle
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Geometric Mean with right triangles exploration
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Geometric Mean with right triangles exploration
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Geometric Mean with right triangles exploration
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Parallelogram exploration
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Midsegment of a triangle exploration
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appelj