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Use "quadrilaterals" in a sentence
""quadrilaterals" refer to any four-sided polygon, which includes squares (obviously 4 equal sides), as someone pointed out earlier."
"The many "quadrilaterals and triangles" printed on the garments were more characteristic of Ms. Miller's previous shows."
"They might get a message, for instance, telling them that their child learned about quadrilaterals today, with a sample question to ask at the dinner table."