Solving Obtuse triangle using law of cosines via quadratic solution which has one answer (not two) : r/learnmath
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geometry - Trigonometric solution for finding the lengths of an obtuse triangle given the base, angle, & area - Mathematics Stack Exchange
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Types of Triangles: Acute and Obtuse
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Triangles
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Isosceles Obtuse Triangle - Properties, Definition, Formula & Examples
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Obtuse Triangle - Definition, Formulas, Properties, Examples
What is the area of an obtuse angled triangle given with two sides are 8 and 12 and the angle included between two sides is 150 degree? - Quora
Obtuse Triangle - Definition, Formulas, Properties, Examples
Obtuse Triangle - Definition, Formulas, Properties, Examples
Determine the Area of an Obtuse Triangle on a Grid | Math Help from Arithmetic through Calculus and beyond
