The Acute Angle of Half Cuboid is the pair of angles of the top rhombus shaped face of the Half Cuboid which is less than 90 degrees. And is denoted by ∠Acute. Acute Angle of Half Cuboid is usually measured using the Degree for Angle. Note that the value of Acute Angle of Half Cuboid is always positive. Typically, the value of Acute Angle of Half Cuboid lies in the range from 0 to 90.