Acute Angle of Right Trapezoid is defined as the angle formed between long base and slant side of the Right Trapezoid. And is denoted by ∠Acute. Acute Angle of Right Trapezoid is usually measured using the Degree for Angle. Note that the value of Acute Angle of Right Trapezoid is always positive. Typically, the value of Acute Angle of Right Trapezoid lies in the range from 0 to 90.