91 degrees is an obtuse angle.
89 degrees is an acute angle.
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Is supplementary to an angle measuring between 1 and 89 degrees if the sum of the angles is 180 degrees.
Here's some angles for reference: 0 degrees-89 degrees are acute. 90 degrees is a right angle. 91 degrees-179 degrees are obtuse. 180 degrees is a straight angle.
It is an "obtuse angle."Angles that are less than 90 degrees are "acute angles."Angles that are exactly 180 degrees are "straight angles."Angles that are exactly 90 degrees are "right angles."
91 degrees to 179 degrees
i have no idea. im doing y math homework righ t now. this is what its on Supplementary angle = 180 - the angle So supplementary to 91 = 180 - 91 = 89 degrees.