Crossword Puzzle for Quadrilaterals - SharpSchool

21. A line segment connecting the midpoints of the legs of a quadrilateral with only one pair of parallel sides is called the ___ . (four words) 24. In a parallelogram, both pair of opposite sides and opposite angles are ____. 28. Any polygon whose interior angles sum to 360° is a(n) _____. 29. ................
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