Geometry: An Interactive Journey to Mastery

The Geometry of Figurate Numbers Lesson 34 Topics x &OHYHUVXPV x Square, triangular, and squangular numbers. 'H¿QLWLRQV ...

Lesson 34: The Geometry of Figurate Numbers Example 1 Albert buys one piece of candy on January 1, two pieces on January 2, etc. ...

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Lesson 34: The Geometry of Figurate Numbers We have proved that 123   " N NN^2 ^1 and that 12         "" NNN 1 1 ...

Complex Numbers in Geometry Lesson 35 Topics x Introduction to complex numbers. x The geometric effect of multiplication by i. ...

Lesson 35: Complex Numbers in Geometry Example 1 The median of a triangle is a line from one vertex of a triangle to the midpoin ...

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Bending the Axioms—New Geometries Lesson 36 Topics x Spherical geometry. x Taxicab geometry. 'H¿QLWLRQ x taxicab geometry: If ...

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Lesson 36: Bending the Axioms—New Geometries Is it possible to draw an equilateral triangle on the surface of a sphere with thr ...

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