Math Q3 Vocabulary

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Across
  1. 2. the inside of a shape & length x width
  2. 5. an angle that is less than 90 degrees
  3. 6. a triangle with two equal sides
  4. 11. a shape with 4 sides
  5. 13. a line that goes on forever in both directions
  6. 14. a triangle with 3 acute angles
  7. 16. two lines that form a right angle
  8. 18. the system the rest of the world uses to measure
  9. 19. an angle that is equal to 180 degrees
  10. 20. a line that starts and stops at points
  11. 21. a line that starts at one point and goes on forever in the other direction
Down
  1. 1. the outside of a shape & length + length + width + width
  2. 3. a triangle with all equal sides
  3. 4. an angle that is greater than 90 degrees
  4. 7. one side of a shape is the exact same as the other
  5. 8. a triangle with 1 obtuse angle and 3 acute angles
  6. 9. two lines that go on forever and never touch
  7. 10. a triangle with no equal sides
  8. 12. a triangle with 1 right angle and 2 acute angles
  9. 15. the system the United States uses to measure
  10. 17. an angle equal to 90 degrees