a right angle.
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what is a 90 degree angle called
The lines that cross at a 90 degree angle are called Perpindicular lines.
A 90 degree angle is a right angle.
A 90-degree angle is also referred to as a right angle.
First of all, the 90 degree angle is called a right angle.Now, the angles with lower than 90 degrees is called an acute angle.Last, the angles with higher than 90 degrees is called an obtuse angle.