Across
- 2. the point at which the perpendicular bisectors of the sides of a triangle intersect
- 3. at least two congruent sides
- 5. a parallelogram with four congruent sides
- 8. adjacent / hypotenuse
- 10. line that intersects two or more coplanar lines at different points
- 13. three congruent angles
- 14. a point which is at the same or equal distance from two given points
- 16. three angles below 90°
- 17. point in which the three medians of the triangle intersect
- 19. an ordered pair of numbers a and b, written a / b where b does not equal 0
- 21. Bisector point, ray, line, line segment, or plane that intersects the segment at its midpoint
- 23. a shape with four sides, and the sides opposite each other are parallel, meaning they don't intersect
- 24. two lines that do not intersect and are not coplanar
- 26. opposite / adjacent
- 27. one 90° angle
- 28. a parallelogram with four congruent sides
- 30. three congruent sides
Down
- 1. an equation in which two ratios are set equal to each other
- 4. points points that lie in the same plane
- 6. points points that lie on the same line
- 7. a quadrilateral that has two pairs of consecutive congruent sides, but opposite sides are not congruent
- 9. a parallelogram with four congruent sides and four right angles
- 11. one angle above 90°
- 12. a closed shape and a type of polygon that has four sides, four vertices and four angles
- 15. opposite / adjacent
- 18. a quadrilateral with exactly one pair of parallel sides
- 20. no congruent sides
- 22. the point where all three altitudes of the triangle intersect
- 25. line segment connecting the opposite vertices (or corners) of a polygon
- 29. an unproven statement that is based on observations.