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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Quadrant Illustrator
Absolute Value Functions f(x)=a |x - h| + k
繪畫垂直線
Right Triangle Inscribed in a Semicircle
Squares Question

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Pythagorean Triple 3 5 6
Exercise 11
Rectangle Perimeter and Area - constant perimeter
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Transformation of Sine Function Applications

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