spherical excess
nounMathematics.
the difference between the sum of the angles of a spherical triangle and two right angles.
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024
How to use spherical excess in a sentence
The area of a spherical triangle is equal to the area of a lune whose angle is half the triangle's spherical excess.
The Teaching of Geometry | David Eugene Smith
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