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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26 August, 17:10

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Grant Schmidt · Answer 1

There are two statements that are true: the angle at vertx D is acute and triangle DEF is a right triangle.

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.