Last Updated
：2025/11/30
angular defect
Noun
Japanese Meaning
幾何学（特に非ユークリッド幾何学）において、三角形や多角形の内部角の総和が、ユークリッド幾何学に基づく期待値（例：三角形の場合は180°）より不足している分を示す量。
Sense（1）
Sense（2）
Sense（3）
（ plural ）
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(geometry, non-Euclidean geometry) The amount by which the total of the interior angles of a triangle is less than 180° (π radians); the amount by which the total of the internal angles of a polygon is less than what would be expected on the Euclidean plane.
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angular defect
In hyperbolic geometry, the angular defect of a triangle is proportional to its area.
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In hyperbolic geometry, the angular defect of a triangle is proportional to its area.
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