Across
- 4. A straight line along which two faces of a solid meet
- 6. rays two rays with a common endpoint that form a straight line
- 8. A solid figure with one face a polygon (the base) and the other faces being triangles that all share the same vertex
- 9. angle An angle that has measure more than 90° and less than 180°.
- 11. A part of a line starting at a particular point and extending infinitely in one direction
- 15. An additional geometric figure that is constructed to assist in solving a problem or producing a proof
- 17. A closed plane figure for which all sides are line segments
- 18. Two angles that add up to 180°
- 19. polygon The outside of a circle or an ellipse
- 20. A solid with no curved surfaces or edges
- 23. The length of the boundary around a shape or a figure
- 25. pair A pair of adjacent angles formed by intersecting lines
- 28. A set of logical arguments used to deduce or prove a mathematical theorem from a set of axioms
- 31. A solid with parallel congruent bases which are both polygons
- 32. two straight lines, called the x-axis and the y-axis
- 34. term a term or word that doesn't require further explanation or description
- 36. An assertion that can be proved true using the rules of logic
- 37. A line segment that passes through the center of a circle
- 38. segment All points between two given points (including the given points themselves).
- 39. angle- An angle with a… and 90°
- 40. two lines that never intersect
- 43. polygon at least one of the interior angles of a polygon is greater than 180°
- 45. A flat surface extending in all directions
- 46. The geometric figure formed at the intersection of two distinct lines.
Down
- 1. non-coplanar lines that lie in different planes
- 2. A unit of measure used to measure the magnitude of an angle
- 3. A line segment between the center and a point on the edge
- 5. the sum of the measures of two angles is 90°
- 7. Two lines that intersect at right angles
- 8. A statement accepted as true without proof
- 10. A straight line or a…
- 12. Lying on the same…
- 13. A tubular solid with a circular base
- 14. solid formed by rotating a right triangle around one of its legs
- 15. The boundary line…
- 16. when one figure fits exactly on top of the other through simple translation and/or rotation
- 21. The longest side opposite the right angle in a right triangle
- 22. angle A 90° angle.
- 24. The point halfway between two given points
- 26. A perfect round solid in which all points on its surface are equidistant from a fixed point called the center
- 27. A corner point of a geometric figure
- 29. Points or lines that all lie in the same plane
- 30. angles angles opposite one another at the intersection of two lines
- 33. Having one thing on… thing on either side of it
- 35. A planar surface of a solid figure
- 41. angles angles in a plane which share a common vertex and a common side but do not overlap
- 42. set of points when two rays both start at the same point.
- 44. The surface included within… needed to cover the surface