Geometry vocabulary

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Across
  1. 2. Triangle with an angle over 90 degrees
  2. 8. Number of obtuse angles in obtuse triangle
  3. 9. Number of sides in a quadrilateral
  4. 11. Multiplication of numbers
  5. 13. Angle measuring 180 degrees
  6. 14. Base times height
  7. 17. Lines that meet at a right angles
  8. 20. Triangle with no equal sides
  9. 23. Total of two numbers
  10. 24. Number that is positive or negative
  11. 26. Device to measure length
  12. 27. Number of equal sides in equilateral triangle
Down
  1. 1. Math teacher
  2. 3. Polygon with four equal sides
  3. 4. Study of shapes in Math
  4. 5. Corner point of angle
  5. 6. Device to measure angles
  6. 7. 3-sided polygon
  7. 10. Pair of lines that never meet
  8. 12. Unit used to measure angles
  9. 15. figure formed by two rays
  10. 16. Set of points passing through tow points
  11. 18. Square corner
  12. 19. Angle less than 90 degrees
  13. 21. Operation to find difference
  14. 22. Sum of complementary angles in degrees
  15. 25. Another word for congruent
  16. 26. Angle between 108 and 30 degrees
  17. 27. Number of equal sides in isosceles triangle