No, it is not.
No. A parallelogram is a polygon, though.
No. A rectangle has four equal angles, but the sides are not all equal.
A regular polygram is generalization of a (regular) polygon on sides (i.e., an -gon) obtained by connecting every th vertex around a circle with every th, "picking up" the pencil as needed to repeat the procedure after traversing the circle until none of the vertices remain unconnected. Lachlan (1893) defines polygram to be a figure consisting of straight lines. The best-known polygrams are the pentagram and hexagram (a.k.a. Star of David). The following table summarizes some named polygrams.
A right sided triangle.http://upload.wikimedia.org/wikipedia/commons/thumb/e/e9/Triangle-right.svg/460px-Triangle-right.svg.png
PolyGram ended in 1999.
PolyGram was created in 1929.
PolyGram Filmed Entertainment ended in 1999.
PolyGram Filmed Entertainment was created in 1979.
No, it is not.
The Very Best of Elkie Brooks - Polygram - was created in 1997.
a three sided polygram
yes
No. A parallelogram is a polygon, though.
No. Polygamy is marriage to more than one person. A polygram is a geometrical term relating to shapes.
A square, rhombus and rectangle
A pentagon is a 5 sided polygon