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

An angle is the amount of turn between two lines. An angle is measured in degrees (°). Angles are a way of describing the space between 2 lines that begin at the same point. They are a measure of how ...

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 ...