The video tutorial explains how to solve a geometry problem involving a square inscribed in a circle. The task is to find the side length of the square, given the area of the circle. The instructor highlights the importance of understanding the geometric relationship between the square and the circle, particularly how the diagonal of the square is the diameter of the circle. The solution involves calculating the diameter using the circle's area and applying Pythagoras' theorem to find the side length. The tutorial emphasizes the importance of planning and understanding the problem to achieve the correct solution.

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