A recipe requires 1/3 lb of onions to make 1 serving of soup. Mark has 2 and 1/3 lbs of onions. How many servings can mark make?
1 answer:
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Answer:
U ={ Parallelograms}
A= { Parallelogram with four congruent sides}={ Rhombus,Square}
B ={ Parallelograms with four congruent angles} ={ Rectangle, Square}
So, AB= { Square}
So among all the parallelograms "Square" is the only parallelogram which has all congruent sides as well as all congruent angles.
