# Geometry

##### Across
1. 2. 7 sided polygon
2. 5. a straight line from the centre to the circumference of a circle or sphere
3. 7. 6 sided polygon
4. 10. a quadrilateral with opposite sides parallel and equal.
5. 12. a quadrilateral with one pair of parallel opposite sides
6. 15. 9 sided polygon
7. 16. ______ angle is an angle more than 90 degree
8. 17. quadrilateral in which one of its diagonals is its axis of symmetry
9. 18. ______angle is an angle exactly 180 degrees
10. 19. 10 sided polygon
11. 21. a distinctive three-dimensional geometric figure with a flat and curved surface pointed towards the top.
12. 23. a three-dimensional shape, that has six rectangular faces, eight vertices and twelve edges.
13. 24. a regular quadrilateral, which has all the four sides of equal length and all four angles are also equal.
14. 28. the longest side of a right angled triangle
15. 29. 8 sided polygon
16. 30. a round plane figure whose boundary consists of points equidistant from a fixed point.
##### Down
1. 1. a round solid figure, or its surface, with every point on its surface equidistant from its centre.
2. 3. a plane figure with 3 sides
3. 4. a three-dimensional shape consisting of two parallel circular bases, joined by a curved surface
4. 6. 5 sided polygon
5. 8. perimeter of circle
6. 9. _____ angle is 90 degrees