You can not have a quadrangle with six edges, as a any quadrangle will only ever have four.
An hexagon
If you have a quadrangle with the letters Q,D,U,A what would the one letter name for the quadrangle be
hexagaon
There is no specific name for such a quadrangle.
Six faces.
There is no specific name for such a shape.
There is no specific name for a quadrangle with two equal sides.
I suppose it would be a 4 sided pyramid. * * * * * No. A quadrangle is a quadrilateral.
Every kind of quadrangle is different from the rest. If it were not, it would not have a different name.
A quadrilateral.
quadrangle
Q