Across
- 2. Opposite angles and two lines intersect are always congruent
- 6. Has 1 obtuse angle
- 7. Measure less than 90°
- 10. Rectangle, Rhombus, Parallelogram, Trapezoid, Square
- 13. An exact location
- 14. A flat surface that continues forever in all directions
- 15. Side by side angles when two lines intersect share a common vertex and a common ray
- 16. A straight path that has no thickness and extends forever. A lowercase letter or two points on the line
- 17. Has 1 right angle (90°)
- 18. Part of a line from the endpoint it continues forever in one direction
- 19. angles Two angles that have a sum of 90° angles do not have to be adjacent
Down
- 1. Has 2 congruent sides
- 3. Has 2 congruent sides
- 4. A line that cuts through a set of parallel lines.
- 5. segment, Part of a line made of two endpoints and all the points in between
- 8. Measures exactly 180°
- 9. The common endpoint of an angle
- 11. angles 2 angles that have a sum of 180°
- 12. Has 3 acute angles
- 13. Lines that intersect to form right angles