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Continue to ChatGeometry - Obtuse Angled Triangles https://gre-prep-blog.wizako.com/gre-quant-practice/geometry/geometry-obtuse-angled-triangles/
Geometry - Obtuse Angled Triangles https://gre-prep-blog.wizako.com/gre-quant-practice/geometry/geometry-obtuse-angled-triangles/