Angle Types: A Guide to Not Being a Trigonometric Triggle

What are the different types of angles, you ask?

Dihedral Angles: Because Who Needs a Social Life, Anyway?

Obtuse Angles: The Silent Treatment of Trigonometry

Straight Angles: For When You're Feeling Sharp

Reentrant Angles: A Real Pain in the Neck

Oblique Angles: Because Who Needs Parallel?

Acute and Obtuse: A Tale of Two Angles