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Yes. The sum of the internal angles of every quadrilateral is 360 degrees, so either all angles are 90 degrees or at least one must be.

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Is 170 an obtuse angle?

Yes. Any angle above 90° is an obtuse angle, while any angle below 90° is an acute angle.


Is 3 a acute?

3 degrees as in an angle? Yes, this is identified as an acute angle. Any angle under 90 degrees is an acute angle, a 90 degree angle is a right angle, and any angle over 90 is obtuse.


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