Since a square is a parallelogram, a rectangle, and a rhombus, our symmetry observations for a square will be the same as those we have already seen. A trapezoid has no reflectional symmetry and no rotational symmetry. We cannot make observations.
1 Return beef and accumulated juices to pan. Stir-fry for a few minutes. Add water, tomato sauce, liver spread and bay leaf; stir to combine. Bring to a boil then simmer, about an hour or until meat tender.  Add potatoes, carrots and green olives; simmer for another 6 to 8 minutes.
Place tomatillos, onion, garlic, and chile pepper into a saucepan. Season with cilantro, oregano, cumin, and salt; pour in water. Bring to a boil over high heat, then reduce heat to medium-low, and simmer until the tomatillos are soft, 10 to 15 minutes. Using a blender, carefully puree the tomatillos and water in batches until smooth.