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how to make right angle symbol

How to make/type right angle/90 degree angle symbol on keyboard- Alt + 28

What is right angle/90-degree angle? When two straight lines intersect each other at 90˚ or are perpendicular to each other at the intersection, they form the right angle. A right angle is represented by the symbol ∟. ...

What is right angle/90-degree angle? When two straight lines intersect each other at 90˚ or are perpendicular to each other at the intersection, they form the right angle. A right angle is represented by the symbol ∟. Read article