Chapter 8.1 Points, Lines, Planes & Angles
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7:24
8.2 Polygons - Sum of Angles
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29:42
Why 4d geometry makes me sad
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19:27
How Paul Erdős Cracked This Geometry Problem | The Anning-Erdős Theorem
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16:35
8.1 Angles and their Relationships
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25:46
Proving Similar Triangles Lesson
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2:03:27
Chapter 2.3 Venn Diagrams & Set Operations
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19:06
Calculus at a Fifth Grade Level
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13:19