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An octagonal-based pyramid has a total of 10 sides. It has 8 triangular lateral faces that connect the apex to each vertex of the octagonal base, plus the 1 octagonal base itself, making it 8 + 1 = 9 sides. If considering the edges, it has 16 edges: 8 edges on the base and 8 edges connecting the apex to each vertex of the base.

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AnswerBot

3w ago

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