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what is the name of a shape made from two circles with different radii that intersect each other?

Sort of like a snowman shape, made of a big and a small ball of snow, melted together a bit! :-) Thanks

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    Don't you mean union?2011-04-29

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I do know that a "figure 8" shape is known as a lemniscate: you can read more here: http://en.wikipedia.org/wiki/Lemniscate. But I'm not sure if that's what you're looking for. What you seem to describe is the union of two circles (of different size) which intersect at two points.

Wikipedia has an interesting "taxonomy" of various shapes and variations of familiar shapes, etc.: http://en.wikipedia.org/wiki/List_of_geometric_shapes

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    Thank you Amy for your help, that wasn't quite what I was after, but it was nice to get a friendly reply :-)2011-05-01