Obtuse Triangle
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Illustration showing an obtuse triangle (one that has one obtuse angle).
Keywords
geometry, triangle, shape, angle, side, triangles, angles, polygon, obtuse, larger than 90 degreesGalleries
Miscellaneous TrianglesSource
G.A. Wentworth Plane And Solid Geometry (Boston: Ginn & Company, 1899) 30
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320×167, 4.1 KiB