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Author:
Katarzyna Winkowska-Nowak
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Squares Question
繪畫垂直線
Congruent Figures
Pythagorean Theorem: Quick Illustrator
Right Triangle Inscribed in a Semicircle
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Current Situation
Tangent and normal
Headphones
Slope 7/17
'Tangram' Puzzle 'Cat'
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Incircle or Inscribed Circle
Symmetry
Solids or 3D Shapes
Rectangle
Area