Keep the construction lines when you draw them as they are evidence that you have constructed the triangle correctly.

You may be required to construct a triangle given \({3}\) sides (SSS). To do this you will need a ruler and a compass, but not a protractor as you do not have any information about the angles. The ...

The mathematical study of triangles has just got a whole lot simpler, according to a researcher who says his new theory of trigonometry is easier to use and more accurate. Associate Professor Norman ...

Old school vernier calipers served engineers and machinists well for a long time — and did a perfectly good job. Digital models then came along and were easier to read. They now rule the roost, ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. See also ID number 1977.0460.01.