The ZigZag shows us how to combine the triangle, protractor and ruler

The ZigZag shows us how to combine the triangle, protractor and ruler

The process of getting your angles right is lengthy and boring. Snežana Jeremić has come up with a solution to “rule out” all of our angular problems.

‘ZigZag’ is a regular ruler, until you go to actually use it. Then, it’s your best friend in the dangerous world of trigonometry. Attempting to draw triangles usually requires a triangle ruler, but the downside to that method is the fixed angle. The ZigZag ruler combines the triangle, protractor, and traditional ruler to achieve a variety of commonly used angles. Simply place one end of the ruler into one of the various predefined slots to get the angle you need.

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