Across
- 1. A polyhedron whose one face is a polygon and the other faces are triangles with one common vertex.
- 6. A line segment between two points on the circle or sphere which passes through the center
- 7. when one figure fits exactly on top of the other through simple translation and/or rotation, then these two figures are the same size and/or shape.
- 12. An angle with a measure between 0° and 90°
- 13. The figure formed by two rays from the same initial point.
- 15. Also known as unknown.
- 16. The boundary line of a circle or length of perimeter.
- 20. Both have common endpoint that form a line
- 23. The longest side opposite the right angle in a right triangle.
- 27. Two angles that share the same vertex and have one side in common between them
- 28. The boundary of a closed geometric figure.
- 29. Also called half-line. It is a straight line that extends from a point.
- 31. One of the two pairs of equal angles formed when two straight lines intersect each other.
- 32. A space figure with two parallel polygonal bases that are the same shape and the same size.
- 33. A tubular solid with a circular base.
- 36. Lying on the same straight line.
- 38. An angle that measures 90°
- 39. Part between two points called endpoints.
- 40. A true statement, which does not require to be proved.
- 41. The distance from the center of a circle to any point on its circumference.
- 43. A geometric object that has no dimension and is used to indicate a location.
- 44. Points or lines that all lie in the same plane.
- 46. A line segment joining two adjacent vertices in a polygon
- 47. Also called non-coplanar lines. They are straight lines that are neither parallel, nor intersecting.
Down
- 1. A closed plane figure bounded by at least three line segments.
- 2. A unit of measure used to measure the magnitude of an angle.
- 3. A pair of numbers that describe the position of a point on a plane by using the horizontal and vertical distances from the two axes.
- 4. A geometrical object that is straight, infinitely long and infinitely thin.
- 5. An angle that is between 90° and 180°.
- 8. Having one thing on either side of it.
- 9. The surface included within a closed figure, measured by the number of square units needed to cover the surface.
- 10. At an angle of 90° to a given line, plane, or surface.
- 11. A flat surface that can extend forever in length and width but has no thickness.
- 14. If the sum of the measures of two angles is 90°
- 16. When at least one of the interior angles is greater than 180°
- 17. An additional geometric figure that is constructed to assist in solving a problem or producing a proof.
- 18. curved outward or toward the eye. A set of points any of whose chords do not include any point that is not in the set.
- 19. A planar surface of a solid figure.
- 21. A general conclusion proposed to be proved upon the basis of certain given hypotheses or assumptions
- 22. Two angles that add up to 180°.
- 24. A solid bounded by at least four polygonal faces. The pairs of faces meet along their edges.
- 25. A point at which the two rays of an angle meet or the intersection point of two sides of a plane figure.
- 26. Opposite of each other formed by two intersecting lines.
- 30. The point on a line that divides the given line segment into two congruent parts.
- 32. A set of logical arguments used to deduce or prove a mathematical theorem from a set of axioms.
- 34. A straight line or a plane that divides a line, a plane, an angle, or a shape into two equal parts.
- 35. A solid formed by rotating a right triangle around one of its legs.
- 37. The two supplementary adjacent angles formed by two intersecting lines
- 42. A perfect round ball. A closed solid bounded by a surface on which all points are equidistant from a central point called the center.
- 45. Side by side and having the same distance continuously between them.