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.
1 Add oregano, drained tomatoes and pasta sauce, stir well. 2  Place pasta in a greased 9x13 pan. 3  Pour meat sauce over pasta and top with cheese and pepperoni slices. 4  Bake 35-40 minutes uncovered or until cheese is melted and pasta is heated through. Brown onion, garlic, sausage and beef in a large pan over medium heat. 2  Drain any fat. 3  Add in red and green peppers and cook an additional 2-3 minutes. 4  Add oregano, drained tomatoes and pasta sauce, stir well. 5  Place pasta in a greased 9x13 pan. 6  Pour meat sauce over pasta and top with cheese and pepperoni slices.