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Heptagon Interior Angle Sum

Author:Codsworth

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bewijs stelling van Pythagoras
Marion's Theorem
Converting Angle Measures Between Degrees and Radians
Mosaic
Dividing a 2-digit number by a 1-digit number (2)

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Mechanism 6
Perimeter and Area of Polygons
Pyramid Surface Area
Origami Door
Constructing Equilateral Triangles + Activities

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Geometry
Division
Limits
LCM and GCD
Reflection

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