Forget hunting for a tape measure or a protractor. Use your Android phone camera and sensors to handle different types of measurements easily.

An angle is created when two lines meet. There are different types of angles based on their measurement. Let's look at the different types. A right angle looks like the corner of a square or the edge ...

Space to play or pause, M to mute, left and right arrows to seek, up and down arrows for volume. They all have straight rays or sides if they're part of a shape and a vertex, that's the point where ...