An angle is considered acute if it measures less than 90 degrees, and obtuse if it measures more than 90 degrees but less than 180 degrees. Since 85 degrees is less than 90 degrees, it falls within the range of an acute angle.
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acute and obtuse.
obtuse + acute = obtuse or straight or reflex.
No its a obtuse line there are no acute lines in it
acute<90 right=90 obtuse>90
sometimes,, you can have an odtuse angle 85 degrees and acute 23 degrees which is a total 108 degrees.