CROSSWORD MATH GEOMETRY

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Across
  1. 3. a point on a polygon where the sides or edges of the object meet or where two rays or line segments meet.
  2. 7. they have a common side and a common vertex
  3. 8. the line segment that joins two vertices in a shape or two-dimensional figure
  4. 12. exactly equal shape and size
  5. 13. lines in a plane that are always the same distance apart
  6. 14. when their measures add to 90 degrees
  7. 15. angles that are parallel to the inner angles of a polygon but lie on the outside of it
Down
  1. 1. the angles opposite each other when two straight lines intersect
  2. 2. lines that intersect at a right (90 degrees) angle.
  3. 4. When two or more lines cross each other in a plane
  4. 5. a line that passes through two lines in the same plane at two distinct points in the geometry
  5. 6. consists of a set of elements called points, and a set of elements called lines
  6. 9. an object inside a geometric figure, or the entire space inside a figure or shape
  7. 10. when their measures add up to 180 degrees
  8. 11. the angles which are formed in matching corners or corresponding corners with the transversal when two parallel lines are intersected by any other line