Across
- 7. a flat surface on which a straight line joining any two points on it would wholly lie.
- 8. an angle with less than 90 degrees but more than 0.
- 9. the exact middle point.
- 10. a solid geometric figure whose two end faces are similar, equal, and parallel rectilinear figures, and whose sides are parallelograms.
- 12. identical in form.
- 13. a polygon where a straight line cuts it into four or more parts.
- 15. formd from two intersecting lines and angles are not adjacent.
- 19. each of the pairs of opposite angles made by two interse
- 21. lying in the same straight line.
- 22. a period seperating two points in time.
- 23. an angle between 90 and 180 degrees.
- 25. emphasise the qualities in other things.
- 28. a particular spot, place, or position in an area or on a map, object, or surface.
- 29. the surface of a thing
- 32. the part of a line bound by two end points and contains every point on the line between those end points.
- 34. two rays with a common endpoint that form a line.
- 36. a polygon such that no sides extended cuts any side or vertex.
- 38. straight parralel sides with a cirrcular oval section.
- 40. the longest side of a right triangle.
- 41. a rule in algebra or other branches of mathematics expressed by symbols or formulae.
- 42. a straight line passing through a figure.
- 43. positioned at intrevals.
- 44. the building of something.
- 46. the two supplementary adjacent angles formed by two intersecting lines.
- 47. an angle of 90°, as in a corner of a square or at the intersection of two perpendicular straight lines.
Down
- 1. a solid figure with many plane faces, typically more than six.
- 2. an assumption used as a basis for mathematical reasoning.
- 3. (of lines, planes, surfaces, or objects) side by side and having the same distance continuously between them.
- 4. goes from a cirrcular area to a point.
- 5. a polyhedron of which one face is a polygon of any number of sides, and the other faces are triangles with a common vertex.
- 6. in the same plane.
- 8. angles that have a common ray coming out of the vertex going between two other rays.
- 10. a plane figure with at least three straight sides and angles, and typically five or more.
- 11. In mathematics, logic, and formal systems, a primitive notion is an undefined cting lines.concept.
- 14. the space between two intersecting lines or surfaces at or close to the point where they meet.
- 16. completing or enhancing something.
- 17. the highest point; the top or apex.
- 18. a straight line from the center to the circumference of a circle or sphere.
- 20. the enclosing boundry of a round geometric figure.
- 21. used to indicate a point.
- 24. the extent or measurment of a surface.
- 26. a series of stages in the resolution of a mathematical or philosophical problem.
- 27. the outside limit of an object.
- 30. (of a pair of lines) neither parallel nor intersecting.
- 31. a bisector divides the octave ussualy in half.
- 33. spread from or as if from a central point.
- 35. the continuous line forming the boundary of a closed geometric figure.
- 37. a straight line at an angle of 90° to a given line, plane, or surface.
- 39. a unit of measurment of angles.
- 45. a round solid figure, or its surface, with every point on its surface equidistant from its center.