Why Are Triangles Used in Structures?

By Staff WriterLast Updated Apr 10, 2020 1:46:32 PM ET
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smason/CC-BY 2.0

Triangles have been used extensively throughout history in construction due to their rigid shape and strength. Unlike a square, that can shift into a parallelogram when force is applied to one of its sides, an equilateral triangle's sides and angles are fixed.

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