Concept:A kite is not a rectangle because a rectangle requires all angles to be 90° and opposite sides parallel, while a kite has only adjacent sides equal.Explanation:Statement A is false. Even if opposite angles of a kite are equal, its angles are not necessarily 90°, and its opposite sides are not necessarily equal or parallel. A rectangle must have all right angles and both pairs of opposite sides equal. Statements B, C, and D are true: a rectangle with all sides equal is a square; a rhombus with all angles equal is a square; a parallelogram with all angles equal is a rectangle.Answer:A. A kite becomes a rectangle if its opposite angles are equal.