An angle that measures 142 degrees is classified as an obtuse angle. In geometry, an obtuse angle is an angle that is greater than 90 degrees but less than 180 degrees. It falls between a right angle (90 degrees) and a straight angle (180 degrees).
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It is an obtuse angle because it is greater than 90 but less than 180 degrees
A pair of supplementary angles add up to 180 degrees. Therefore, the supplement to a 38 degree angle is equal to 180 - 38 = 142 degrees.
A 90 degree angle is a right angle.
118 degree angle
A 22 degree angle is an acute angle