Across
- 1. The angle with the sum of two opposite interior angles
- 4. When two angles add up to 90°
- 6. Angle between 0° and 90°
- 7. Two equal angles opposite on a letter 'Z' shape
- 10. When a triangle has 3 different lengths of sides
- 11. Parallelograms that are both Rectangles and Rhombuses
- 12. An angle that equals 90°
- 13. When two angles add up to 180°
- 14. Quadrilaterals with two pairs of equal adjacent sides
- 15. A polygon with equal sides and angles
- 18. An angle that equals 360°
- 19. A polygon with sides and angles of different sizes
- 20. When 2 sides of a triangle are equal
- 21. An angle between 180° and 360°
- 22. Quadrilaterals with two pairs of parallel sides
Down
- 2. An angle between 90° and 180°
- 3. Angles that sum up to the opposite exterior angle
- 4. Corresponding Angles on the same side of the transversal line (2 Crosses) and are Two supplementary angles on the letter 'C' shape
- 5. Angles that are opposite one another making them equal to each other
- 8. When all 3 sides of a triangle are equal
- 9. An angle that equals 180°
- 15. A parallelogram with sides of equal length
- 16. Parallelograms with all angles equal to 90°
- 17. Quadrilaterals with at least one pair of parallel sides