Geometry Crossword Puzzle

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Across
  1. 4. A location with no size and shape. The start of a ray.
  2. 7. A line, segment, or ray perpendicular to a segment at its midpoint.
  3. 9. Points that lie on the same plane. Non Coplanar is points that don't lie on the same plane
  4. 12. Two angles directly across from each other on intersecting lines. Always congruent.
  5. 13. A flat surface made up of points and extends indefinitely in all directions. Usually some kind of shape.
  6. 14. Adjjacent angles that are supplementary. Combined, they form a straight line.
  7. 15. The formula used to find the distance between two points on a coordinate plane. Often uses the square root of something.
  8. 17. The intersection of two rays at an endpoint. Used in a lot of situations.
  9. 18. An angle with a degree measure of 180. Just looks like a straight line
  10. 19. An angle with a degree measure of 90. Perpendicular lines form this angle.
Down
  1. 1. An angle with a degree measure less than 90.
  2. 2. A segment, line, or plane that intersects a segemnt at its midpoint. Makes the line that was bisected equally split into two.
  3. 3. Points that lie on the same line. Non Collinear is points that don't lie on the same line
  4. 5. The formula used to find the midpoint between two endpoints. Often ends as a coordinate.
  5. 6. Two angles with measures that sum to 90. Do not have to be adjacent.
  6. 8. A line that extends indefinitely in one direction. Contains Points.
  7. 10. An angle with a degree measure greater than 90.
  8. 11. A line or ray that divides an angle into two equal parts.
  9. 12. The common endpoint of an angle.
  10. 16. Made up of points with no thickness or width. Goes on forever in both directions.