Sum of Interior Angles of a Polygon

Autor:現代中學數學 Modern Secondary Mathematics

Investigate the sum of interior angles of a polygon by observing the number of triangles the polygon can be divided into. (for use with P.4.10 and P.4.11 of Book 1B)

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Addition of Vectors Algeraically
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Circles Ms.B A.O 2
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Cónicas
Geogebra
Truncated Cuboctahedron

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Funciones cuadráticas
Planos
Adición
Funciones Trigonométricas
Mediana