How to Use Reflex Angle:
You use a protractor to calculate the reflex angle. Although sometimes that won’t be an option and you will be given the measure of the inner angle. From there you can subtract that amount from 360, as a full rotation is 360 degrees.
Sample Math Problems
Question

Solution
360° - 35° = 325°
Answer: 325°
Question
An acute angle measures 57°. What is the reflex angle?
Solution
360° - 57° = 303°
Answer: 303°
Question

Solution
360° - 120° = 240°
Answer: 240°
Question
An obtuse angle measure 110°. What is the reflex angle?
Solution
360° - 110° = 250°
Answer: 250°




