Across
- 6. A triangle that has three sides with equal length
- 11. A triangle that has one angle more than 90° but less than 180°
- 13. A parallelogram that has four right angles and four sides with equal length.
- 14. A parallelogram with four sides that are equal length
- 16. Two rays or line segments that have a common endpoint
- 17. A part of a line that includes two endpoints
- 20. A fold line that divides a shape into two equal parts that match exactly
- 21. A triangle that has one angle that measures 90°
- 22. Lines that are side by side and never intersect
- 23. An angle that measures 180°
- 25. A parallelogram with four right angles and opposite sides are equal
- 28. An angle that is more than 0° and less than 90°
- 29. An angle that is more than 90° but less than 180°
Down
- 1. An angle that measures 90°
- 2. A triangle with three angles that are less than 90°
- 3. Two angles whose measurements have a sum of 90°
- 4. A tool for measuring and drawing angles
- 5. Lines that intersect and form 90°
- 7. Lines that cross at exactly one point
- 8. A triangle with all three sides that are different lengths
- 9. A triangle that has two sides with equal length
- 10. The distance around a figure
- 12. A straight path of points that goes on forever in both direction
- 15. Points that represent the end of a line segment or ray
- 18. A quadrilateral that has two pairs of parallel sides
- 19. The endpoint at which two rays of an angle meet
- 24. The amount of surface a figure covers
- 26. A quadrilaterial that has exactly one pair of parallel sides
- 27. A part of a line that has one endpoint and the other that goes on forever in one direction