How does the pythagorean inequality theorem prove obtuse triangles

The video tutorial explains that the sum of angles in a triangle is 180 degrees. It covers different types of triangles, including acute, right, and obtuse triangles, and how to identify them. The Pythagorean inequality is introduced as a method to determine if a triangle is obtuse. The tutorial concludes with a homework assignment to classify triangles as acute, obtuse, or right.

What is the condition for a triangle to be classified as obtuse?

How can you determine the type of triangle using the Pythagorean inequality?