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Is there an angle that is the complement of an obtuse angle?
No. By definition, the compliment to an angle is an angle whose measure would combine with the first to reach 90 degrees. Also, by definition, an obtuse angle is an angle whose measure is greater than 90 degrees. There is no angle that can be added to an angle larger than 90 degrees that will cause that angle to be 90 degrees (because the measure of an angle is inherently positive.) Therefore, there is no compliment to an obtuse angle.
Does a square have an obtuse angle?
No. By definition, a square can have only right angles.
Is a right angle and an obtuse angle always supplementary?
No. In fact, they never are. A right angle by definition is 90 degrees. An obtuse angle is any degree greater than 90. In order for two angles to be supplementary, they must equal 180 degrees. Because an obtuse angle is always greater than 90 degrees, and a right angle is always 90 degrees, an obtuse angle and a right angle can never be supplementary.
Can there be a triangle with two obtuse angles?
no, the definition of an obtuse angle is an angle greater than 90 degrees. a triangle, by definition, can only have a total of 180 degrees. therefore, even if you have two 91 degree angles, that still exceeds 180. therefore, no, you cannot have a triangle with two obtuse angles.
What is a rectangle is it a right angle acute or obtuse?
its a right angle
