Spherical sector

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Notion

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Science and technology

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What Wikipedia says

In geometry, a spherical sector, also known as a spherical cone, is a portion of a ball that is bounded by a spherical cap and the cone that connects the centre of the sphere to the boundary of the cap. It is the three-dimensional analogue of the sector of a circle.

Excerpt from the Wikipedia article “Spherical sector”, under the CC BY-SA 4.0 license. Read the article on Wikipedia

Image: Ag2gaeh, CC BY-SA 4.0, via Wikimedia Commons.