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Choose your level
Sweet
Angles from 10° to 170°. One arm is horizontal. Angle sizes are multiples of 10.
Mild
Angles from 10° to 170°. One arm is horizontal. Angle sizes use 5-degree increments.
Medium
Angles from 10° to 170°. Neither arm is horizontal, so rotate the protractor to align it.
Spicy
Angles from 10° to 350°. About half are reflex angles, and the reflex region is highlighted.