The Outer Angle of Polygram is the angle between any two adjacent isosceles triangles which forms the spikes of the Polygram. And is denoted by ∠Outer. Outer Angle of Polygram is usually measured using the Degree for Angle. Note that the value of Outer Angle of Polygram is always positive. Typically, the value of Outer Angle of Polygram lies in the range from 0 to 300.