IMPORTANT
DEFINITION ABOUT QUADRILATERALS
v SQUARES: this
is a quadrilateral with the same dimension
for all their four sides.
v RECTANGLE: it is
a parallelogram with two equal pairs of sides and four right angles.
v RHOMBUS: it is
a parallelogram with four equal sides and two equals sides with two pairs of
equal angles.
v RHOMBOID: it is
a parallelogram with two pairs of equals sides and two pairs of equal angles. PARALLELOGRAM LINK
