Geometry Crossword

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Across
  1. 3. Angles less than 90 degree
  2. 7. A location on a plane
  3. 8. Angles equal to 180 degree
  4. 11. The middle of a line
  5. 13. A point in the middle of the line
  6. 14. The middle number in a set of numbers
  7. 15. 90-degree angle
  8. 16. Quadrilateral with all 90-degree angles
  9. 17. In a conditional statement the hypothesis and conclusion are fliped
  10. 19. An example that proves a statement wrong
  11. 20. Name of a group of 4 sided shapes
Down
  1. 1. The perimeter of a circle
  2. 2. 2 lines that cross each other
  3. 4. A degree of a shape or two lines
  4. 5. Total amount of space inside a shape
  5. 6. The sum of all the outside lengths and widths
  6. 9. 5 sided shape
  7. 10. Another name for formula
  8. 12. A shape close to or almost the same as another shape
  9. 18. 6 sided shape