Across
- 2. The point exactly halfway along a segment.
- 8. The distance around a circle.
- 9. An angle whose vertex is the center of the circle.
- 12. An arc measuring less than 180 degrees.
- 14. Angles that have the same measure.
- 16. A part of a line with two endpoints.
- 17. In a right triangle, the square of the hypotenuse is equal to the sum of the squares of the other two sides.
- 19. The set of all points equidistant from a central point.
- 21. Points that lie on the same flat surface.
- 24. A portion of the circumference of a circle.
- 26. An infinite flat surface.
- 27. The ratio of the length of the side opposite an acute angle to the hypotenuse in a right triangle.
- 28. Perpendicular segment from the vertex of a solid to the opposite base.
- 29. A parallelogram with four right angles.
- 33. A line that divides a figure into two congruent halves.
- 34. Two angles whose sum is 90 degrees.
- 35. An angle that measures exactly 90 degrees.
- 36. An arc measuring more than 180 degrees.
- 37. A triangle with all angles congruent.
- 38. A set of points in space equidistant from a fixed point.
- 40. A quadrilateral with one pair of parallel sides.
- 43. A line that divides an angle into two equal parts.
- 44. The sum of the areas of the lateral faces.
- 45. Angles formed by two chords in a circle.
- 46. A polygon with three sides and three angles.
- 47. A line segment joining a vertex to the midpoint of the opposite side.
- 48. An angle larger than a right angle but less than a straight angle.
Down
- 1. A triangle with one angle greater than 90 degrees.
- 3. Circles with the same radius.
- 4. The distance around a polygon.
- 5. A quadrilateral with opposite sides parallel.
- 6. A closed figure formed by straight lines.
- 7. A polygon with four sides.
- 10. A polygon with all sides and angles congruent.
- 11. The amount of space occupied by a solid.
- 13. Triangles with corresponding sides and angles equal.
- 15. Lines that intersect at right angles.
- 18. A solid with two congruent circular bases.
- 20. A straight path extending infinitely in both directions.
- 22. A parallelogram with all sides equal.
- 23. An angle smaller than a right angle.
- 25. A triangle with one angle equal to 90 degrees.
- 30. A prism where all sides are squares.
- 31. Segments that have the same length.
- 32. A line segment joining two points on the circle.
- 35. A comparison of two quantities using division.
- 39. A prism whose lateral faces are rectangles.
- 41. A line touching a circle at exactly one point.
- 42. Lines that never intersect and are in the same plane.
- 43. The measure of the space enclosed by a surface.