Geometry

Geometry (from the Ancient Greek: γεωμετρία; geo- "earth", -metron "measurement") is a branch of mathematics concerned with questions of shape, size, relative position of figures, and the properties of space. A mathematician who works in the field of geometry is called a geometer.

Geometry arose independently in a number of early cultures as a practical way for dealing with lengths, areas, and volumes. Geometry began to see elements of formal mathematical science emerging in the West as early as the 6th century BC. By the 3rd century BC, geometry was put into an axiomatic form by Euclid, whose
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Flatland: A Romance of Many Dimensions
The Greedy Triangle (Brainy Day Books)
Euclid's Elements
Sir Cumference and the First Round Table: A Math Adventure (Sir Cumference, #1)
Geometry and the Imagination
Geometry Revisited
Euclid's Window: The Story of Geometry from Parallel Lines to Hyperspace
The First Six Books of the Elements of Euclid
Sacred Geometry: Philosophy and Practice
Introduction to Geometry (Wiley Classics Library)
Geometry: A Comprehensive Course (Dover Books on Mathematics)
Sacred Geometry (Wooden Books, 35)
The Fractal Geometry of Nature
Geometry: Euclid and Beyond (Undergraduate Texts in Mathematics)
Algebraic Geometry (Graduate Texts in Mathematics, 52)

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Galileo Galilei
Philosophy [nature] is written in that great book which ever is before our eyes -- I mean the universe -- but we cannot understand it if we do not first learn the language and grasp the symbols in which it is written. The book is written in mathematical language, and the symbols are triangles, circles and other geometrical figures, without whose help it is impossible to comprehend a single word of it; without which one wanders in vain through a dark labyrinth.
Galileo

Amanda Hocking
What's your angle?" I asked, trying to sound more playful than demanding. "Isosceles," Jack quipped. ...more
Amanda Hocking, My Blood Approves

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