rhombus
A rhombus
rhombus
Rhombus!
a trapezoid
A quadrangle with all sides equal and no 90 degree angles is a rhombus
a rhombus or parrellegram
I think it is "quadrangle". If it has 4 equal sides and 4 right angles, "square" is right.
an irregular rhombus.
yes because if is a equilateral triangle all the sides is equal but a quadrangle not so much
Any quadrangle with two opposite angles which are 90 degrees.
You are a rectangle! Note that it does not say all of your sides are of equal length.