Across
- 3. is a two-dimensional geometric figure that has a finite number of sides.
- 5. – An angle equal to 180 degrees.
- 7. – A polygon with fourteen sides and fourteen angles.
- 8. angles - two angles whose sum of the measures is 180°
- 11. - a closed plane figure consisting of four line segments or sides
- 12. - a quadrilateral with two pairs of congruent and adjacent sides
- 15. – A polygon with seven sides and seven angles.
- 16. angle - an angle with a measure of 90°
- 18. A polygon with at least one interior angle greater than 180 degrees.
- 23. – A polygon with ten sides and ten angles.
- 24. – A part of a line that starts at one point and extends infinitely in one direction.
- 26. Segment – A portion of a line between two points.
- 27. – A straight path extending infinitely in both directions.
- 29. - a statement that needs to be proven before being accepted
- 31. – A polygon with sixteen sides and sixteen angles.
- 34. – A polygon with fifteen sides and fifteen angles.
- 35. – A part of a line between two endpoints.
- 36. of a trapezoid - the segment joining the midpoints of the legs
- 38. – A polygon with nine sides and nine angles.
- 41. – A polygon with three sides
- 43. A polygon where all interior angles are less than 180 degrees.
- 44. - a quadrilateral with exactly one pair of opposite sides parallel
- 45. – A triangle with no equal sides.
Down
- 1. – A triangle with all sides equal.
- 2. - a parallelogram with all four sides congruent
- 4. – A polygon with four sides and four angles.
- 6. – A polygon with eleven sides and eleven angles.
- 9. - a rectangle with all four sides congruent
- 10. – A polygon with five sides and five angles.
- 13. – A polygon with twelve sides and twelve angles.
- 14. - a line segment joining two nonconsecutive vertices of a polygon
- 17. - a parallelogram with four right angles
- 19. – A polygon with eight sides and eight angles.
- 20. angles - two angles sharing a common side and vertex but no interior points in common base angles - angles formed by a base and the legs complementary angles - two angles whose sum of the measures is 90°
- 21. - a quadrilateral with two pairs of opposite sides that are parallel
- 22. – An angle greater than 180 degrees but less than 360 degrees.
- 25. angles - two nonadjacent angles formed by two intersecting lines
- 28. – A polygon with thirteen sides and thirteen angles.
- 30. – A polygon with six sides and six angles.
- 32. – An angle less than 90 degrees.
- 33. – A location in space with no dimensions.
- 37. – A flat surface extending infinitely in all directions.
- 39. – An angle greater than 90 degrees but less than 180 degrees.
- 40. – A polygon with seventeen sides and seventeen angles.
- 42. trapezoid - a trapezoid with congruent legs