The video tutorial explains how to classify triangles based on their angles. It begins by discussing the characteristics of right and obtuse triangles, noting the absence of a right angle or an obtuse angle in the example. The focus then shifts to acute triangles, emphasizing that all angles must be acute. Finally, it concludes with the identification of an equiangular triangle, where all three angles are equal and acute.

What is the significance of having three equal acute angles in a triangle?

What is an equiangular triangle?