Geometry

3. A polygon with four sides and four angles.
7. A fundamental element in geometry, representing a specific location.
9. Lines that intersect at a 90-degree angle.
10. A triangle with all three sides of different lengths.
11. An angle that measures less than 90 degrees.
13. A flat surface that extends infinitely in all directions.
14. A straight path that extends infinitely in both directions.
16. The figure formed by two rays or line segments that share a common endpoint.
17. Having the same shape and size.
18. A quadrilateral with only one pair of parallel sides.
19. A parallelogram with all sides of equal length.

1. Lines that never intersect and are always the same distance apart.
2. An angle that measures 90 degrees.
4. A triangle with two sides of equal length.
5. Angle An angle that measures greater than 90 degrees but less than 180 degrees.
6. A triangle with all three sides of equal length.
7. A quadrilateral with opposite sides that are parallel and equal in length.
8. A parallelogram with four right angles.
12. A polygon with three sides and three angles.
15. A rectangle with all sides of equal length.