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Surely, three sides are better than four?

Letters

I thought you might be able to answer the following query.

Looking at the world around us, I can't understand why tall buildings are built as they are.

Why aren't tall buildings built like the pyramids, with triangular walls instead of rectangular ones?

A triangle is inherently stronger than a rectangle. Such a shape also offers less wind resistance at the top, where it is most troublesome.

Loads are also distributed better.

Eddie Ford BSc, West Midlands

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