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Supplementary angles are two angles that add up to 180 degrees. In other words, if you have one angle measuring x degrees, its supplementary angle will measure 180 - x degrees.
Does. a 90° angle have right angles
It is the alternate angle to the angle of elevation
Its to say its the MEASURE of the angle, instead of the angle itself
to tell what the angle is
An angle of 230 degrees is a reflex angle.