Is side length & area proportional? (Full video)

Khan Academy

Supporting grades: 7

Description: Sal answers the question by drawing a square and thinking about the relationship between side length and area. So it's not perfectly drawn but this is a reasonable attempt at a square, and of course one of the things that we know about a square is all of the sides are going to have the same length. Now the question I want to ask, are the lengths of the side of a square proportional to its area? And I encourage you to pause the video and think about it, are the lengths of a side, are the lengths of the sides of a square proportional to the square's area?

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