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What is the name of this shape?

Curved Trapezoid

It is basically a sector with a doughnut hole cut out of it. Just wondering if it has a proper name.

1 Answers 1

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This is a sector of an annulus. I would refer to it as an "annular sector".

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    [d3-shape](https://github.com/d3/d3-shape) document also mentions `annular sector`2018-06-04