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The picture shows the parts of a circle ...

The picture shows the parts of a circle centered at each vertex of an equilateral triangle and passing through the other two vertices. What is the perimeter of this figure?

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V PUBLICATION-CIRCLE MEASURES-QUESTIONBANK
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  14. The figure shows three circles drawn with their centers on each vertex...

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  15. The picture shóws a rectangular sheet of metal with two semicircles (h...

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