Dropping right triangles

in unexplored skies,

charting distances

from the center of the world,

constructing compass-generated lines…

“Let no one ignorant of Geometry

enter here,”

wrote Plato

at the academy’s entrance.

Similar triangles,

Pythagoras’ Theorem,

deriving the unknown

from the known,

distances given to measurements

that humans could never traverse.

The procession of logic,

the triumph of triangular skies,

the ratios and angles

of right triangles

so frequently used

their names emerged

from mystical minds

who ardently believed

that everything was number:

Sine

Cosine

Tangent,

Cosecant

Secant

Cotangent,

Arcsine

Arccosine

Arctangent,

right triangle ratios

filling up pages

in the academies of Earth

whose simplification of puzzles

precisely determined

the circumference of the Earth,

our distance to the Sun,

and other marvels

requiring no technology

simply rapt brains

astute eyes

and proficience

in trigonometry’s rise.

# Trigonometry’s Rise

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