(Source: Wikipedia) 
(Leonardo da Vinci: Vitruvian Man)


(Sierpinski triangle  fractal)
"A straight line segment can be drawn by joining any two points...
*

Obtuse Angles  like really stupid
Right Angles  are there any wrong ones?
Complementary Angles  they go together well
Corresponding Angles  just penpals
A Cute Angle  how sweet!
Newton, William Blake 1795/ c.1805
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