A 90 degree angle is a right angle
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A 90 degree angle is formed at a right angle.
A reflex angle.
It is a 90 degree angle, which can be formed by two perpendicular lines.
A 90 degree angle is a right angle
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A 90 degree angle is formed at a right angle.
45 degree angle
A reflex angle.
Two 20 degree acute angles will be formed.
It is a 90 degree angle, which can be formed by two perpendicular lines.
An obtuse angle
A 140 degree angle is about half way between a 90 degree angle, which has lines that are perpendicular to each other, and a 180 degree angle, which is a straight line. A 140 degree angle is an obtuse angle which has a line a little over half way between the 90 degree and 180 degree angles.
15 degrees. A bisected 60 degree angle makes 2 30 degree angles by definition of an angle bisector, then a 30 degree angle makes 2 15 degree angles by definition of an angle bisector.
180 Degree.