Khan Academy Static

Now that we know what angles are, let's dig a bit deeper and classify them and understand their properties better. Acute, obtuse, right, adjacent--all are angles that we will be become familiar with.

494_Drawing_acute_right_and_obtuse_angles.html

492_Acute_right_obtuse_angles.html

493_Recognizing_angles.html

495_Identifying_an_angle.html