Mathematics, 17.07.2019 15:00, NathanaelLopez

If triangle def has a 90° angle at a vertex of e, which statements are true? check all that apply triangle def is an obtuse triangle the angle at vertex d is acute the angle of vertex f is obtuse triangle def is a right triangle the angle at vertex d is obtuse

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If triangle def has a 90° angle at a vertex of e, which statements are true? check all that apply...