10 degrees
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A right angle turn is equivalent to 90 degrees. Therefore, one ninth of a right angle turn would be 90 degrees divided by 9, which equals 10 degrees. This means that one ninth of a right angle turn is a rotation of 10 degrees.
An angle whose degree measure is between 0 and 90 is an acute angle. An angle whose degree measure is between 90 and 180 is an obtuse angle. These are basic properties of geometry.
A right angle is 90 degrees, so 45 degrees is half a right angle turn.
the unit used to measure angle is degree. It is also measured in radians.
what statement about the two angles in a right tringle that do not measure 90 is true