Geometry Vocabulary Project
Across
- 2. a closed plane curve every point of which is equidistant from a fixed point within the curve
- 6. a flat surface that extends without end
- 7. a polygon of 10 angles and 10 sides
- 8. a quadrilateral with all four sides equal and each angle measures 90°
- 13. an angle whose measure is exactly 90°
- 14. a parallelogram all of whose angles are right angles; especially : one with adjacent sides of unequal length
- 17. the distance around a circle
- 18. a polygon of four sides that add up to 360°
- 20. two lines that intersect to form a right angle
- 21. the distance between the center and any point on the circle
- 22. Man's best friend
- 23. the endpoint of the rays that form an angle
- 24. the number of space inside a figure
- 26. angles that occupy corresponding positions when a line intersects two other lines
- 30. a figure that has one endpoint and extends without end in one direction
- 34. a triangle with one right angle
- 40. a pair of opposite angles formed when two lines meet at a point
- 41. a triangle with three acute angles
- 43. an angle greater than 180° but less then 360°
- 44. line that intersects a system of lines
- 45. a polygon with five sides
- 46. a polygon having three sides and three angles adding up to 180°
- 47. an angle whose measure is less than 90°
Down
- 1. a polygon with six sides
- 3. an angle whose measure is greater than 90° and less then 180°
- 4. a point at or near the center or middle
- 5. the distance across a circle through the center
- 6. a closed geometric figure made up of three or more line segments that intersect only at their endpoints
- 9. a quadrilateral with exactly one pair of parallel lines
- 10. an angle whose measure is exactly 180°
- 11. a triangle with no congruent sides
- 12. a polygon of nine angles and nine sides
- 14. a polygon with all sides equal in length and in measure
- 15. a polygon with eight sides
- 16. a triangle with three congruent sides
- 19. a covering of a plane with congruent copies of the same pattern so that there are no gaps or overlaps
- 25. a figure formed by two rays that begin at a common point
- 27. a triangle with one obtuse angle
- 28. an instrument for lying down and measuring angles in drawing and plotting
- 29. a triangle with at least two congruent sides
- 31. a segment, other than a side, that connects two vertices of a polygon
- 32. straight lines that do not intersect and are not in the same plane
- 33. a figure that extends without end in opposite directions
- 35. A polygon with seven sides
- 36. a parallelogram with four congruent sides
- 37. a figure without dimensions that is represented by a dot
- 38. two lines in the same plane that do not intersect and will never
- 39. a quadrilateral with both pairs of opposite sides parallel
- 42. the exact same