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TringleAngle Sum

Author:Erzsi Dombi

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The Gardener's Circle
Regular Star Polygons
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Measuring angles
Quadratic Functions - Vertex and Standard Forms
Axis of Symmetry of a Parabola
MG Tangents to Circumcircle
Voronoi - applications

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Conic Sections
Triangles
Polygons
Perimeter
Tree Diagrams

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