it looks big
A 160o angle is a (180o-20o) angle and looks like a slightly broken line if one of its 2 side-ines is considerably longer than the other...
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A pair of supplementary angles add up to 180 degrees. Therefore, the supplement to a 20 degree angle is equal to 180 - 20 = 160 degrees.
Any angle between 90 and 180 degrees is an obtuse angle. Therefore: 160 degrees is an obtuse angle.
An angle that is 160 degrees would be an "obtuse" angle. This is because the measurement of degrees exceeds 90. Anything below 90 degrees would be an "acute" angle.
160
20 degrees