I think it might be D. I'm just giving an educated guess.
Answer:
A and C
Step-by-step explanation:
i chose these bc they arwe the 2 reasonable ones
Answer:
No, but all parallelograms are quadrilaterals.
Step-by-step explanation:
Take a trapezoid, for example. A trapezoid is a quadrilateral because it has 4 sides, but it does not contain 2 sets of parallel sides thus making it not a parallelogram.