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Perimeter word problem (skating rink) | Math | 3rd grade | Khan Academy
Courses on Khan Academy are always 100% free. Start practicing—and saving your progress—now: https://www.khanacademy.org/math/cc-third-grade-math/3rd-perimeter/imp-perimeter-word-problems/v/perimeter-word-problem-skating-rink-math-3rd-grade-khan-academy Lindsay finds the area of an irregular shape by decomposing it into 2 rectangles ...
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