Geometry Crossword

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Across
  1. 1. Point of concurrency of the medians of a triangle
  2. 2. Switches the hypothesis and conclusion in a conditional
  3. 3. A polygon that has no diagonal with points outside the polygon
  4. 4. Cuts a line into two equal parts
  5. 5. Two angles that total 180 degrees
  6. 10. Triangle with two sides congruent
  7. 12. Two angles that total 90 degrees
  8. 14. A four sided figure with two pairs of parallel sides
  9. 17. Polygon with 10 sides
  10. 18. an angle less than 90 degrees
Down
  1. 1. Three or more lines that intersect at one point
  2. 3. The same size and shape
  3. 6. Two lines that make a 90 degree angle
  4. 7. Two lines that will never touch and are not skew
  5. 8. A polygon that has at least one diagonal with points outside the polygon
  6. 9. An angle greater than 90 degrees
  7. 11. Tool used to make constructions
  8. 13. An argument that uses deductive reasoning
  9. 15. Segment that connects a vertex of a triangle to the opposite side at a 90 degree angle
  10. 16. Segment that connects a vertex of a triangle to the midpoint of the opposite side