A kite is a quadrilateral with two pairs of congruent sides such that the congruent sides are adjacent (next to each other), and there are no opposite sides that are congruent.

shape of a kite

The diagonals of a kite are perpendicular to each other.

kite perpendicular bisector

  Kites also have exactly one pair of opposite angles that are congruent.  

kite opposite angles congruent