Geometry Crossword

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Across
  1. 2. opposite equal acute angles
  2. 3. more than 90
  3. 5. has three sides all equal
  4. 8. an angle of 90°
  5. 11. has 4 sides 2 pairs are congruent
  6. 13. shape consisting of all points in a plane
  7. 16. 2 lines that cross at a 90
  8. 18. less than 90
  9. 19. one-dimensional, forms half of a circle.
Down
  1. 1. two lines that never meet
  2. 4. five-sided polygon or 5-gon.
  3. 6. lines that intersect
  4. 7. quadrilateral one pair of parallel sides.
  5. 9. a part of circumference of a circle or other curve.
  6. 10. opposite equal acute angles
  7. 12. a polyhedron with two congruent and parallel bases.
  8. 14. shown by a dot.
  9. 15. a line that is by two distinct endpoints
  10. 17. has 4 sides all equal