In 1820, German mathematician Karl Friedrich Gauss proposed cutting an enormous right triangle into the Siberian pine forest, creating a monument to the Pythagorean theorem big enough to see from outer space.

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The pattern being traced out in gold is known as the right angle triangle.

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This has been a trouble spot, is that right, in the Sunni triangle for some time?

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For example, Odebrecht and other firms building the stadiums for the main Olympic Park on a triangle of land jutting into a lagoon south of the city earn the right to develop half the land once the Games end.

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Foster placed the gates for domestic travel along two sides of the front triangle, which means that some of the planes, instead of being on a faraway concourse, nestle right up to the building.

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