Across
- 2. Two or more straight coplanar lines that do not intersect.
- 5. A polyhedron whose one face is a polygon and the other faces are triangles with one common vertex.
- 8. A flat surface that can extend forever in length and width but has no thickness.
- 9. A general conclusion proposed to be proved upon the basis of certain given hypotheses or assumptions; or, a general conclusion that has been proved
- 11. The length of the boundary around a shape or a figure.
- 12. A perfect round ball.
- 14. When two lines intersect, four angles are formed.
- 19. Lying on the same straight line.
- 21. Intuitively speaking, curved away from the eye.
- 22. A point B that lies on the line connecting two points A and C and has one of the two points on each side of it.
- 23. The path of a point moving in opposite directions infinitely.
- 27. Two angles that add up to 180°.
- 29. The pair of angles opposite each other formed by two intersecting lines.
- 32. An angle with a measure between 0° and 90°.
- 34. A pair of angles that add up to 90°
- 38. The distance from the center of a circle to any point on its circumference.
- 39. An angle that measures 90° or /2 radians.
- 40. The exponent of a variable.
- 43. (x,y)
- 44. formed by rotating a right triangle around one of its legs.
- 45. A geometric object that has no dimension and is used to indicate a location.
Down
- 1. The point on a line segment that divides the given line segment into two congruent parts.
- 2. A solid bounded by at least four polygonal faces. The pairs of faces meet along their edges. Three or more edges meet in each vertex.
- 3. A pair of adjacent angles formed by intersecting lines
- 4. A set of logical arguments used to deduce or prove a mathematical theorem from a set of axioms.
- 6. Also called half-line. It is a straight line that extends from a point.
- 7. The figure formed by two rays from the same initial point.
- 8. are statements that are assumed to be true without proof.
- 10. The side opposite the right angle in a right triangle.
- 13. A closed plane figure bounded by at least three line segments.
- 15. Two angles that share the same vertex and have one side in common between them.
- 16. A line segment that passes through the center of a circle and has its two endpoints on the circle.
- 17. A space figure with two parallel polygonal bases that are the same shape and the same size.
- 18. Intuitively speaking, curved outward or toward the eye.
- 20. An angle that is between 90° and 180°.
- 23. Part of a line between two points called endpoints.
- 24. Also called non-coplanar lines. They are straight lines that are neither parallel, nor intersecting. They lie in different planes.
- 25. The surface included within a closed figure, measured by the number of square units needed to cover the surface.
- 26. A planar surface of a solid figure.
- 28. term In geometry, definitions are formed using known words or terms to describe a new word.
- 30. The boundary line of a circle or the length of such a boundary line.
- 31. A point at which the two rays of an angle meet or the intersection point of two sides of a plane figure.
- 33. A can-shaped solid figure.
- 35. Two rays with a common endpoint that point
- 36. Two lines that intersect at right angles.
- 37. A line segment where two faces of a polyhedron meet.
- 41. Planar figures or solid shapes that have the same shape and size.
- 42. A straight line or a plane that divides a line, a plane, an angle, or a shape into two equal parts.