Some parallelograms are squares - the ones which are equiangular (have equal angles) and are equilateral (have equal side lengths). All squares are parallelograms, but only some parallelograms are squares.
sometime
a parallelogram will never ever be a rhombus
is sometimes
-- A parallelogram is always a quadrilateral. -- A quadrilateral is sometimes a parallelogram.
Always.
Always
NEVER!
It is always a parallelogram
sometime actually -A rectangle is a parallelogram with 4 right angles. -A square is a parallelogram with 4 right angles and 4 congruent sides. Congruent sides are the same length.
sometimes
Never, a rhombus is a parallelogram.
A parrallelogram always may * * * * * A parallelogram may sometimes be a rhombus.