# Geometry, Geometria

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Costruzione geometrica passo-passo, Costruzione animata, Spirale Aurea, Spirale, Triangolo Aureo

◣ Pythagorean theorem, Perigal's proof ◣ Teorema di Pitagora, Dimostrazione di Perigal ◣ Henry Perigal, Geometric Dissections and Transpositions (Page 1)… - Formule by BNF: Google+

Spiral of Theodorus, Geometric square root construction/Spirale di Teodoro di Cirene, costruzione geometrica della radice quadrata di un numero

Phi Flowers, geometric construction (Pentagon)/Costruzione geometrica (Pentagono) http://gobnf.com/formule

Area of trapezoid ABCD = Area of triangle (with the same height) - Pm(BC) = MidPoint of BC

##### Altre idee

Limaçon di Pascal, la podaria di una circonferenza, Formule by BNF. http://www.gobnf.com/formule/default.aspx?code=0070087LKBP1

φ, Golden Spiral/Spirale Aurea Mathematics, Geometric constructions I Formule by BNF

Raíces o espirales?

◣ Pythagorean theorem, Perigal's proof ◣ Teorema di Pitagora, Dimostrazione di Perigal ◣ Henry Perigal, Geometric Dissections and Transpositions (Page 1)… - Formule by BNF: Google+

Geometria solida, il toro circolare

Triángulo de Sierpinski I Formule by BNF I https://plus.google.com/110042963505971411344/posts/V5w13tatum5

an oldie (Feuerbach's theorem) I Isaac Calder

About the Golden Ratio: The Golden Ratio can be illustrated within special dimensions of Sprials, Triangles and Rectangles where the ratio of the length of the short side to the long side is .618, was noted by ancient Greek architects as the most visually pleasing rectangle and its dimensions were used to construct buildings such as the Parthenon.:

https://www.quora.com/How-many-squares-have-all-four-vertices-in-an-n-times-n-grid-of-dots

Perfect Fibonacci.. did you know you are made up of Sacred Geometry?? Can you think of any other examples?

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