If triangle def has a 90° angle at vertex e, which statements are true? check all that apply.
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Mathematics, 27.06.2019 18:20 lex2556
If triangle def has a 90° angle at vertex e, which statements are true? check all that apply.
triangle def is an obtuse triangle.
the angle at vertex d is acute.
the angle at vertex f is obtuse.
triangle def is a right triangle.
the angle at vertex d is obtuse.
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