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I’m sure you’ve driven across or seen large steel truss bridges that are made by combining any number of huge steel beams into right triangles that interconnect.

The Pythagorean theorem provides an equation to calculate the longer side of a right triangle by summing the squares of the other two sides.

You may also remember the simple equation, discovered by Pythagoras thousands of years ago, that describes a right triangle: A squared + B squared = C squared.

The Kresling pattern looks like a series of stacked right triangles wrapping around the robot’s belly, making it resemble a ridged and slightly squashed cylinder.

The bedroom is shaped like a pentagon and the sitting room with built-in shelving is the shape of a right triangle.