Math Olympiad Contest Problems for Elementary and Middle Schools: #35 [HD]

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Published on November 3, 2016 10:53:22 PM ● Video Link: https://www.youtube.com/watch?v=OR0ZYGuBu5E

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The O-shaped figure at the bottom contains 22 squares of the same size. The area of the O-shaped figure is 550 square inches. How many inches are in the perimeter of the O-shaped figure?

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