dome 3

Ribs connect the midpoints of all sides with the corners of the opposite side. The intersection points of these ribs create the base for an octogonal dome.

In the applet below you can see how such a configuration looks like in 3D.

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Prism Drawn in 2-Point Perspective
兩位數的位值
函數的單調性
Neuberg's Theorem
Area Between Two Curves

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Moving a Point on the Coordinate Grid
Square in a right triangle
การออกแบบรูปสามมิติ
Orthogonal diagonalization Act 8
Cópia de Manipulating y = ax^2

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Ratios
Scatter Plot
Quadratic Functions
Percentages
Geometric Mean