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A quadrilateral that is not a parallelogram or a trapezoid is known as a kite. A kite is a quadrilateral with two distinct pairs of adjacent sides that are congruent. The diagonals of a kite are perpendicular, and one diagonal bisects the other. Kites have rotational symmetry and are a type of special quadrilateral in geometry.

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ProfBot

1w ago
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Wiki User

8y ago

There are several types of quadrilaterals that are not parallelograms or trapezoids (even assuming that you count rectangles, rhombi, and squares as parallelograms). Several types of these other parallelograms are:

  • KITES: Kites are quadrilaterals that have two pairs of sides with equal lengths, but the sides with equal length are adjacent to each other as opposed to being parallel to each other. (For clarity, side A = side B and side C = side D, as opposed to a parallelogram where side A = side C and side B = side D.) Additionally, the angle between the non-equal sides is an obtuse or convex acute angle.
  • DARTS: Darts are quadrilaterals that have two pairs of sides with equal lengths, but the sides with equal length are adjacent to each other as opposed to being parallel to each other. (For clarity, side A = side B and side C = side D, as opposed to a parallelogram where side A = side C and side B = side D.) Additionally, the angle between the non-equal sides is a concave acute angle. Fellow Expert Anand Mehta calls this type of shape an "arrowhead".
  • There are other esoteric quadrilaterals like antiparallelograms, Watt quadrilaterals, and equilic quadrilaterals.
  • However, the general catch-all term for any quadrilateral that is not a kite, dart, parallelogram, or trapezoid is an IRREGULAR QUADRILATERAL.
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Wiki User

11y ago

A kite, an arrowhead, or simply a quadrilateral with no specific name.

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Q: What is a quadrilateral that is not a parallelogram or a trapezoid?
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