Geometry

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Across
  1. 5. Two lines that meet at a right angle
  2. 7. A line that is not bent or curved
  3. 10. Less than 90 degrees
  4. 11. A 2D shape with more than 3 sides
  5. 12. Two lines that never meet
  6. 14. A shape with six sides
  7. 15. Dividing a shape into two equal parts
  8. 17. A shape with 8 sides
  9. 18. Equal sides of a shape
  10. 19. A triangle with no equal sides
Down
  1. 1. A triangle with 3 equal sides
  2. 2. from north to south or south to north
  3. 3. A part of a line that has a fixed starting point but no ending point
  4. 4. More than 90 degrees but less than 180 degrees
  5. 6. A triangle with two equal sides
  6. 8. A portion of the circumference of a circle
  7. 9. Lines that meet
  8. 12. A shape with 5 sides
  9. 13. from left to right or right to left
  10. 16. 90 degrees