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Naming a Quadrilateral Correctly
publish date: 2026/05/15 10:53:27.428948 UTC
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When naming quadrilateral ABCD below, vertices must be listed in clockwise or counterclockwise order — not skipping between them.
Which of the following is an unacceptable name for this quadrilateral?
Correct Answer
Quadrilateral ACDB
Explanation
When naming a quadrilateral, vertices must be listed in clockwise or counterclockwise consecutive order. ACDB skips from A directly to C (skipping B), which does not trace the sides in order. Acceptable names include ABCD, BCDA, CDAB, DABC (counterclockwise) and DCBA, CBAD, BADC, ADCB (clockwise).
Reference
Mathematics for college students