A right angle has 90 degrees. A right angle is an angle that bisects the angle formed by the two halves of a straight line.
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No such thing as opposite of acute angle. An ACUTE angle is an angle of less than 90 degrees. A RIGHT angle is an angle of 90 degrees only. An OBTUSE angle is an angle between 90 degrees and 180 dehrees. An angle of 180 degrees is a straight line. A REFLEX angle is an angle between 180 degrees and 360 degrees.
An angle of 129 degrees is an obtuse angle
A right angle is a 90 degrees angle.
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
Acute Angle - An angle that is less than 90 degrees. Right Angle - An angle that is exactly 90 degrees. Obtuse Angle - An angle that is more than 90 degrees and less than 180 degrees. There is also: Straight Angle - An angle that is exactly 180 degrees. Reflex Angle - An angle that is more than 180 degrees.