Across
- 2. A flat surface on which straight line joining any tow points
- 4. A 90 degrees angle
- 8. A right angle
- 12. Two angles that add up to 180 degrees
- 14. Two angles that add up to 180degrees
- 15. A angle less than 90 degrees
Down
- 1. Two objects that have the same shape and dimensions
- 3. Two angles that have a common side and a common vertex and don't overlap
- 5. Three or more points that lie on the same straight line
- 6. An angle or a line bisected when they are cut into two equal parts
- 7. A pair of equal angles formed on opposite sides of a point at which two lines intersect
- 9. Two angles that add up to 90 degrees
- 10. More than 90 degrees but less than 180 degrees
- 11. A set of points, lines, line segments, rays or any other geometrical shapes that lie on the same plane
- 13. A line with a start point but no end point