When 2 or more angles add up to 180 degrees they are said to be supplementary. Supplementary angles only occur on straight lines, so if one angle is said to be 120 the other angle has to be 60 degrees in order to form a straight line and also to add the angles to 180 degrees
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Complementary angles are angles that add up to 90 degrees. If the smaller angle is x, the larger is 5x, so 6x = 90. X equals 15, and the larger angle measures 75 degrees.
Supplementary angles add up to 180° Let the smaller angle be x, then the larger angle is x + 70°, and: x + (x + 70°) = 180° → 2x + 70° = 180° → 2x = 110° → x = 55° → x + 70° = 55° + 70° = 125° Thus the two angles are 55° and 125°. Therefore the angle you want is the larger at 125°.
72
60.255 degrees (rounded)
An angle smaller than a right angle - is an acute angle. Larger than a right angle, but smaller than 180 degrees is an obtuse angle. Angles between 180 and 360 degrees are reflex angles.