Subcategories

• Day 5

  Many Triangles Inscribed Semicircle Bonus: Proof of Formula for Surface Area of a Sphere
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• Day 6

  American Cheese American Cheese: Bonus A Point on Earth Inscribed Shapes
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• Day 7

  Angle Bisector Measuring Toilet Paper Make a Triangle The Algebra Question That Turned Into Geometry
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• Day 8

  Reflection Paths Five-Pointed Star Pythagorean Triples Bonus: Nautilus Shell
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  S

  @empathicmonkey I guess the editor made an error and typed the question wrong