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Since a full circle is 360°, a 331° angle is the outside measure of a 29° angle.
A 331 degree angle is a reflex angle and it nearly looks like a circle because there are 360 degrees in a circle.
First draw a 90 degree angle .Than draw a 20 degree angle from that 90 degree angle . Than the rest of the angle will be 90-20=70 .Now bisect the 70 degree angle we will get 70/2=35. Now add the rest of the angle means 35+20 =55 GOT 55 DEGREE ANGLE
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