Find the missing length of a triangle using pythagorean theorem

The video tutorial explains a problem-solving approach using geometry, focusing on identifying the hypotenuse in a triangle. It covers the concept of square roots and inverse operations, and demonstrates solving for X in the context of triangle side lengths, emphasizing the importance of considering only positive values for lengths.

Why is it important to consider the context of a problem when solving for lengths?

What conclusion does the speaker reach about the square root of a length in a triangle?