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plane angle

From Wiktionary, the free dictionary

English

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Noun

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plane angle (countable and uncountable, plural plane angles)

  1. (geometry) An angle formed by two intersecting straight lines.
  2. (geometry) An angle formed by two intersecting planes, measured by the angle between two intersecting straight lines that are in respective planes and perpendicular to the intersection of the planes.

Translations

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