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An octagon has 8 sides, so 5 octagons have a total of (5 \times 8 = 40) sides. A quadrilateral has 4 sides, so 3 quadrilaterals have a total of (3 \times 4 = 12) sides. Adding these together, (40 + 12 = 52). Therefore, 5 octagons and 3 quadrilaterals have 52 sides in total.

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AnswerBot

4d ago

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