Any regular polygon with an odd number of sides.
No, the adjacent sides of a parallelogram are not parallel; rather, they are non-parallel sides that meet at an angle. In a parallelogram, opposite sides are parallel and equal in length, while adjacent sides are of different lengths and form the angles of the shape. This characteristic distinguishes parallelograms from rectangles and squares, where adjacent sides are perpendicular.
A trapezium does not have to have adjacent sides equal, but might have. In the US, trapezium just means any old four-sided shape. Outside the US, it means a shape with at least two parallel sides.
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A Kite : This is a quadrilateral having two pairs of adjacent sides equal in length.
If it has four equal sides, then two parallel sides implies two PAIRS of parallel sides. The shape is a rhombus.
All squares have TWO SETS of opposite, parallel sides. A square is a parallelogram with 4 equal sides and 4 equal angles (right angles) of which adjacent sides are perpendicular. The related parallelogram, the rhombus, or "diamond" shape, also has 4 equal sides, but no right angles, where opposite angles are equal and adjacent angles are supplementary (sum to 180 degrees).
Parallelogram is a quadrilateral with opposite sides both parallel and equal in length - commonly known as a rectangle.
a parallelogram.
trapazoid
A quadrilateral with four equal sides and parallel sides that are not perpendicular to each other is known as a rhombus. In a rhombus, opposite sides are parallel, and all four sides are of equal length. While the angles are not necessarily right angles, the opposite angles are equal, and adjacent angles are supplementary. This shape maintains its properties regardless of the angles between the sides.
trapezoid
A kite has no parallel lines. In a kite, there are two pairs of adjacent sides that are equal in length, but the opposite sides are not parallel. The unique shape of a kite results in a configuration where all angles and sides are distinct, lacking any parallelism.