measure the acute or obtuse angle instead and subtract this from 360°. To measure the angle LMN, the cross of the protractor should be placed at the point where the two lines meet, and the bottom ...

However, the sum will always be 360 no matter how many adjacent angles are involved ... Otherwise, you'll need a manual tool such as a protractor to measure the exact value.

Ada explains that angles are measured in degrees, there are 360 degrees in a full turn ... Ada goes on to explain how to use a protractor to measure angles, describing how to line it up with ...