# geometry

##### Across
1. 4. A four-sided polygon.
2. 8. Lines that cross at exactly one point
3. 10. The distance around a figure.
4. 11. Triangle A triangle that has one obtuse angle
5. 12. A segment that connects two nonadjacent vertices of a polygon.
6. 14. Two lines that intersect to form four right angles
7. 17. a triangle with all sides equal and all angles equal
8. 19. An eight-sided polygon.
9. 20. A rectangle with 4 equal sides
10. 21. A series of connected line segments that starts and ends at the same place and does not intersect itself anywhere in between.
11. 22. A six-sided polygon.
##### Down
1. 1. A line segment with one endpoint at the center of a circle and the other endpoint on the circle
2. 2. Distance around a circle (the perimeter)
3. 3. Two geometric objects having the same measure.
4. 5. An angle that measures less than 90°
5. 6. A straight one-dimensional figure having no thickness and extending infinitely in both directions.
6. 7. the intersection point of two sides of a plane figure
7. 9. All its angles=180
8. 13. A location in space – a dot on a piece of paper
9. 15. An angle that measures 90°
10. 16. Lines in a plane that never intersect
11. 18. A figure formed by two line segments or rays with a common endpoint.