Sum of Interior Angles of a Polygon

Autore:現代中學數學 Modern Secondary Mathematics

Argomento:Angoli, Figure o forme piane, Poligoni

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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Graphical solution of ax² + bx + c = k
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Graph of y = a(x − h)² + k

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NetzeOhnePunkte_2
Quadratic function (Completed square)
eşkenar üçgen
TriangleSum
VECTORS
Selidik Panjang Busur Lingkaran
Negative Integers Art- Mrs. Bennett Gee

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