It is an equilateral quadrangle.
yes!
A rhombus. (Looks like a diamond.)
A rectangle is a specific type of quadrangle. They both have four sides and four angles.
A rhombus (like a diamond), or a parallelogram.
No, but a parallelogram is a quadrangle.
No, but a parallelogram is a quadrangle.
A trapezoid is a quadrangle.
Yes, a trapezoid is a quadrangle because a quadrangle has four sides and a trapezoid has four sides.
An invisible quadrangle!
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you should do a square is a quadrangle or my friend loves all sorts of quadrangles
You can not have a quadrangle with six edges, as a any quadrangle will only ever have four.