The Spike Height of Polygram is the height of the isosceles triangles with respect to the unequal side, which are attached to the polygon of the Polygram as the spikes. And is denoted by hSpike. Spike Height of Polygram is usually measured using the Meter for Length. Note that the value of Spike Height of Polygram is always positive. Typically, the value of Spike Height of Polygram is greater than 0.