Across
- 3. A triangle with 3 congruent sides and angles
- 7. 2 adjacent angles whose sum is 180 degrees
- 11. An 8-sided polygon
- 12. 2 lines that intersect at a right angle
- 14. Consecutive angles that share a vertex and side
- 17. The measure, in degrees, of the intersection of two rays at a point
- 19. An angle whose measure equals 90 degrees
- 20. D=√(x2−x1)2+(y2−y1)
- 22. 2 angles; their sum is 180; do not have to be consecutive
- 24. A 5-sided polygon
- 27. An angle whose measure is greater than 90 degrees and less than 180 degrees
- 28. Statement that the hypothesis and conclusion are negated
- 29. A 12-sided polygon
- 30. A 4-sided polygon
Down
- 1. An example of this is: “A polygon is a heptagon if and only if it has 7 sides of equal length and 7 angles of equal measure”
- 2. 2 lines that never intersect
- 4. A line, ray, or line segment that splits an angle into two congruent parts
- 5. A triangle with 3 sides and angles of different lengths and measures
- 6. a^2+b^2=c^2
- 8. A 9-sided polygon
- 9. A triangle with 2 congruent sides and 1 congruent pair of base angles
- 10. A trapezoid with 1 pair of congruent opposite sides
- 13. Referring to two shapes, same shape and proportional measurements
- 15. Statement in which the hypothesis and conclusion are switched
- 16. Angles whose measures are less than 90 degrees
- 18. A 6-sided polygon
- 21. (x1 + x2)/2, (y1 + y2)/2
- 23. Referring to two shapes, of the same shape and size
- 25. An example of this type of mathematical statement is “If two sides of a triangle are congruent, then the angles opposite those sides are congruent”
- 26. An angle whose measure equals 180 degrees