Depends on the height you want to go up or down.
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A 90 degree angle is a right angle
There are 60 minutes of angle in one degree of angle.
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Any angle under 90 Degrees is an acute angle. A 90 Degree angle is called a right angle. Any other angle above 90 degrees is an obtuse angle. ;) answer ur question right? there are many different names but these are the basic.