Quadrilateral Puzzle

4. type of quadrilateral with at least one of its interior angles measuring greater than 180°.
5. flat geometric shape having four straight sides and four vertices.
7. a type of parallelogram with a little difference in the angles of the sides
9. the products of the lengths of the opposing sides are equal.
10. a quadrilateral with all four sides equal.
11. two pairs of adjacent sides are of equal length.
12. a parallelogram but with all sides equal

1. the four vertices lie on a circumscribed circle
2. each interior angle is less than 180°
3. Also known as a crossed quadrilateral, it is a type of quadrilateral having self-intersecting sides
6. a quadrilateral with parallel opposite sides.
8. a kite with two opposite right angles. It is a type of cyclic quadrilateral.