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.
Season with salt and pepper, simmer over a low flame for 10 minutes, stir in the basil leaves, simmer for five more minutes, and it's done. Figure about 1/4 cup of sauce (or more to taste) and 1/4 pound of pasta per serving; serve the pasta with grated cheese on the side.eason with salt and pepper, simmer over a low flame for 10 minutes, stir in the basil leaves, simmer for five more minutes, and it's done. Figure about 1/4 cup of sauce (or more to taste) and 1/4 pound of pasta per serving; serve the pasta with grated cheese on the side.