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Inkscape 0.48 Illustrator's Cookbook by Mihaela Jurković, Rigel Di Scala

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Geometric illusions using Grids

When working with a lot of geometric shapes or objects of predetermined sizes and positions, it is useful to use a grid to make drawing and positioning easier.

In this recipe, we will recreate a famous geometric illusion: Curry's Missing Square Puzzle, also known as Curry's paradox.

In Curry's paradox, a right triangle is divided into several shapes, and those shapes are then rearranged to again form a right rectangle of seemingly the equal surface, but something doesn't add up!

Geometric illusions using Grids

Where did that extra square come from? We will investigate and solve the mystery in this recipe.

How to do it...

The following recipe will illustrate ...

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