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