90.
A right angle is 90 degrees
a right angle equals 90 degrees.
A right angle is an angle of 90 degrees.
One right angle is 90 degrees. If it's anything else, it's not a "right" angle.
A right angle is a 90 degrees angle.
There are 90o in a right angle. A right angle is one-quarter of a full circle i.e. 360o.
A right angle.
there is 90 degrees in a right angle derdder :):):):):):):):):):):):):)
90 degrees
90
90 degrees
It is 90 degrees