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 much you have to turn one of the lines so ...

This point is called the vertex. Angles measure the size of a turn in degrees. You can show degrees using the symbol ° after the number of degrees. Imagine two lines acting like the hands of a clock.

After testing over 20 top apps, these are the best PDF readers for Android phones and tablets - and better still, all of them are available on desktop computers, too. In my experience, Foxit's PDF ...