Oblique Triangle Used For Ambiguous Case Small 320×194 Medium 640×388 Large 1024×620 Download Tiff Original 2400×1454 | (173.4 KB) Description Oblique triangle with perpendicular drawn and angle of measure 35 ° 38" given, and sides of 88' 6" and 57'. This would be used with Law of Sines Ambiguous Case. Keywords 57' side, ambiguous case, angle 335 ° 38", law of sines, oblique triangle, right, sides 88' 6", triangles, trigonometry Galleries Trigonometry: Triangles Source: International Correspondence Schools I.C.S. Reference Library Mathematics (Scranton: International Textbook Company, 1905) Geometry & Trigonometry Pg. 42 Courtesy the private collection of Roy Winkelman