obtusangled
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English
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[edit]obtusangled (not comparable)
- (geometry) Obsolete form of obtuse-angled.
- 1636, Peter Ramvs [i.e., Petrus Ramus], “Of Geometry, the ſeventh Booke, Of the compariſon of Triangles”, in William Bedvvell [i.e., William Bedwell], transl., Via Regia ad Geometriam: The VVay to Geometry, […] Thomas Cotes, […] Michael Sparke, page 111:
- 12 An obliquangled triangle is either Obtuſangled or Acutangled.
The diviſion of an obliquangled triangle is taken from the ſpeciall differences of an oblique angle. For at the 15 e iij, we were taught that an oblique angle was either obtuſe or acute: Therefore an obliquangled triangle is an obtuſeangle, and an Acutangle.