Polygon in Polygon

Topic:Area

James Tanton, inspired by Vincent Pantaloni, tweeted an image I misunderstood, then found something cool. Leaves me wondering why the area case is different for n=4. Tanton tweet

New Resources

רישום חופשי
bewijs stelling van Pythagoras
Proving Triangles Congruent (2): One Step Transformations
အခြေခံ data အခေါ်အဝေါ်များ
גיליון אלקטרוני להעלאת נתוני בעיה ויצירת גרף בהתאם

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Epiciclos
Part 2
lesson plan for pyramid 2077-5-14
Highly super symmetry in geometry
rectangle

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Constructions
Circle
Congruence
Cosine
Ratios