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TakeItHome
They are similar because their sides are all the same. Like 4, 4, 4, and 4. Also, 6, 6, 6, and 6.
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They are similar because their sides are all the same. Like 4, 4, 4, and 4. Also, 6, 6, 6, and 6. So 9,9, and 9 15,15, and 15 are similar.