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

To be certain your constructions are precise, make sure you are confident at measuring accurately with a ruler and a protractor. Draw the given side of the triangle using a ruler. Use a protractor to ...

Electronic enthusiasts that need to measure angles on their robotic arm or other projects may be interested in a new proximity sensor that has been created by William Moore called the Protractor. The ...