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What is the angle of incidence when a ray falls normally on a mirror?
0 degrees
What proportion of the normal curve falls below a z score of 2.58?
Approx 0.995
Is 85 acute or obtuse?
An angle is considered acute if it measures less than 90 degrees, and obtuse if it measures more than 90 degrees but less than 180 degrees. Since 85 degrees is less than 90 degrees, it falls within the range of an acute angle.
What type of angle measures 100 degrees?
An angle that measures 100 degrees is classified as an obtuse angle. Obtuse angles are defined as angles that are greater than 90 degrees but less than 180 degrees. Therefore, a 100-degree angle falls within this range, making it obtuse.
What kind of angle is 109?
An angle measuring 109 degrees is classified as an obtuse angle. In geometry, an obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees. In this case, the angle of 109 degrees falls within this range, making it an obtuse angle.
