Acute Angle of Rhombus is the angle inside the Rhombus which is less than 90 degree. And is denoted by ∠Acute. Acute Angle of Rhombus is usually measured using the Degree for Angle. Note that the value of Acute Angle of Rhombus is always positive. Typically, the value of Acute Angle of Rhombus lies in the range from 0 to 90.