179 degrees
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An obtuse angle is greater than 90 degrees and less than 180 degrees
91 degrees
90 degrees
First: A right angle is an angle of 90 degrees Second: An obtuse angle is an angle of 91 degrees to 179 degrees A right angle can not have an obtuse angle
Just one. The internal angles of a triangle always add up to 180 degrees. An obtuse angle has a value of more than 90 degrees. Therefore it is impossible for a triangle to have more than 1 obtuse angle.