Across
- 1. a polyhedron with two polygonal faces lying in parallel planes and with the other faces parallelograms
- 4. a solid generated by rotating a right triangle about one of its legs
- 5. the surface of a thing, one that is presented to the view or has a particular function, in particular
- 6. extending in the same direction, everywhere equidistant, and not meeting
- 7. a straight line that bisects an angle or a line segment
- 8. a solid formed by plane faces
- 9. standing at right angles to the plane of the horizon,exactly upright
- 12. equal in rank, quality, or significance
- 14. a step or stage in a process, course, or order of classification
- 18. the external boundary or surface of a figure or object
- 21. a closed plane figure bounded by straight lines
- 23. to distort especially from a true value or symmetrical form
- 24. a point at or near the center or middle
- 25. an end or object to be achieved
- 27. a chord passing through the center of a figure or body
- 28. a polygon such that there is a straight line that cuts it in four or more points
- 30. superposable so as to be coincident throughout
- 31. a level piece of ground
- 32. a length of cord or cord-like material
- 33. is a part of a line that is bounded by two end points, and contains every point on the line between its ending point
- 35. a formula, proposition, or statement in mathematics or logic deduced or to be deduced from other formulas or propositions
- 37. an angle between 90 and 180 degrees
- 38. the angle bounded by two lines perpendicular to each other : an angle of 90°
- 39. two rays with a common endpoint that form a line
- 42. the cogency of evidence that compels acceptance by the mind of a truth or a fact
- 43. the side of a right-angled triangle that is opposite the right angle
- 45. a corner whether constituting a projecting part or a partially enclosed space
Down
- 1. to assume or claim as true, existent, or necessary, depend upon or start
- 2. The two supplementary adjacent angles formed by two intersecting lines
- 3. lying or acting in the same plane
- 4. lying on or passing through the same straight line
- 9. a polyhedron having for its base a polygon and for faces triangles with a common vertex
- 10. the surface traced by a straight line moving parallel to a fixed straight line and intersecting a fixed planar closed curve
- 11. immediately preceding or following
- 12. A polygon that has all interior angles less than 180°
- 13. the point opposite to and farthest from the base in a figure
- 15. relating to or constituting one of a pair of contrasting colors that produce a neutral color when combined in suitable proportions
- 16. being or relating to a supplement or a supplementary angle
- 17. in the time, space, or interval that separates
- 19. each of the lines in which light and heat may seem to stream from the sun or any luminous body, or pass through a small opening
- 20. the act or result of construing, interpreting, or explaining
- 21. the boundary of a closed plane figure
- 22. seither of two angles lying on opposite sides of two intersecting lines
- 26. logic, and formal systems, a primitive notion is an undefined concept
- 29. a pair of angles is said to be vertical also opposite and vertically opposite, which is abbreviated as vertical opp, if the angles are formed from two intersecting lines and the angles are not adjacent
- 34. the cutting side of a blade
- 36. a line segment extending from the center of a circle or sphere to the circumference or bounding surface
- 40. characterized by sharpness or severity
- 41. a solid that is bounded by a surface consisting of all points at a given distance from a point constituting its center
- 44. a surface in which if any two points are chosen a straight line joining them lies wholly in that surface