Across
- 4. Each angle is 90°
- 5. One pair of adjacent side is parallel
- 8. The sum of its interior angle is 720°
- 9. There are six types of it in maths
- 10. It is both ''equiangular'' and ''equilateral''
Down
- 1. Quadrilateral which has all properties
- 2. Diagonals bisect each other and adjacent angles are supplementary
- 3. Exactly two pairs of adjacent sides are equal
- 6. All sides are equal
- 7. Polygon with least sides