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 ...

Using a compass is an essential skill. It’s like having a mental roll of duct tape: You don’t know when you’re going to use it, and it might kick around unused for a long time, but when you’re in a ...

There are two ways to construct a triangle using a ruler and a protractor. The first is a Side, Angle, Side (SAS) construction where two sides and the angle between them is known. The second is an ...

If you’re familiar with using a compass (the tool that points to magnetic north, not the one that makes circles) the concept of holding the device level makes sense. It must be level for the needle to ...

This story was originally published in our Jan/Feb 2023 issue as "A New Solution to an “Impossible” Math Problem." Click here to subscribe to read more stories like this one. Geometry students are ...