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

גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם
bewijs stelling van Pythagoras
Prism Drawn in 1-Point Perspective
Reflection Across 2 Parallel Lines
apec

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Step5
Transformations: Exercise 3
Odnos centralnog i periferijskog ugla 2
立體

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Función Tangente
Vectores 2D (dos dimensiones)
Seno
Funciones Polinómicas
Rombos