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)

Nuevos recursos

Writing and Graphing Proportional Relationships (k>0)
Squaring a Rectangle (PST Version)
Odd Function Explorer
Linear Combination of Vectors
Isosceles Right Triangle

Descubrir recursos

radioactive decay
numberline
Isosceles Triangle Construction
Sinusoida - primjeri
Triangle Nagel point

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Continuidad
Puntos Notables
Cuadrado
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