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Last updated 31/7/2025

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This article is the eleventh in a series of articles which provide a translation into Spanish of 'Pliage et Decoupage du Papier' by C Savineau, which had been published in Paris in 1897.

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Analysis

35

How to obtain an isosceles triangle from a rectangle.

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36

Bonete de astrologo - The Magic Hat

This exercise explains how to fold the Magic Hat and uses it as an isosceles tile.

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37

How to Sum the Angles of a Triangle by Folding

How to demonstrate that the angles of a triangle sum to 180 degrees by folding.

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38

Gorro militar - The Pyramidal Hat

How to fold the Pyramidal Hat.

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