Use Protractor Three Times
An angle of 331 degrees is a reflex angle
It is a reflex angle
29 degrees.
29 degrees
A 331 degree angle is a reflex angle and it nearly looks like a circle because there are 360 degrees in a circle.
Add 360, giving the answer as 691 degrees.
360-331=2929 degrees is your reference angle. Remember your signs, though.
180 - 331/3 = 1462/3 degrees.
Since the angle of 331⁰ is in the fourth quadrant, then the measure of its reference angle in the first quadrant is 360⁰ - 331⁰ = 29⁰ .
627.8 degrees Fahrenheit
Since a full circle is 360°, a 331° angle is the outside measure of a 29° angle.