Which explains whether or not a parallelogram can be classified as a rectangle?
a) a parallelogram is also a rectangle. both quadrilaterals have four right angles
b) a parallelogram is also a rectangle. both quadrilaterals have opposite sides that are congruent, opposite sides that are
parallel, and four congruent angles.
c) a parallelogram is not a rectangle. a rectangle has opposite sides that are congruent, and a parallelogram does not
d) a parallelogram is not a rectangle. a rectangle must have four right angles, and a parallelogram must only have opposite
angles congruent