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Regular price $ 1.90 USD
Regular price Sale price $ 1.90 USD
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Protractors are instruments of great utility in various technical tasks and professions such as Architecture, Engineering, and Graphic Design. They are also helpful in trades for accurately calculating angles in structures and constructions, or for measuring angles on objects such as books, notebooks, carpentry, frames, etc.

Their origin dates back to the earliest known mathematics, in Egypt and Babylonia. The Egyptians established the measurement of angles in degrees, minutes, and seconds. However, it wasn't until the times of classical Greece that trigonometry began to emerge in mathematics.

Instrument for measuring angles in degrees. Material: Translucent acrylic. Available in two presentations:

Protractor Semicircular graduated with 180°.
Circular Protractor graduated with 360°.
Approximate size: 12 cm in diameter.
Made in Mexico. Circa 1980.

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