Geometry terms

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Across
  1. 1. the point where the arms meet.
  2. 3. an exact location in space that has no dimensions
  3. 6. a type of quadrilateral that has equal opposite sides and four right angles.
  4. 9. a collection of points along a straight path that extends endlessly in both directions
  5. 11. a quadrilateral with four equal sides.
  6. 12. a quadrilateral that has four equal sides and four right angles.
  7. 13. a part of the line segment that has only one endpoint.
  8. 14. refers to any single flat surface of a 3D shape.
Down
  1. 2. is a line segment on the boundary joining one vertex (corner point) to another.
  2. 3. a quadrilateral in which both pairs of opposite sides are parallel.
  3. 4. a line intersecting two or more given lines in a plane at different points.
  4. 5. a quadrilateral in which one pair of opposite sides is parallel.
  5. 7. The line joining two vertices
  6. 8. the two straight line segments from a vertex
  7. 10. A 3D shape having six rectangular faces is called a cuboid.