Unit 1-3

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Across
  1. 3. Adds to 90*
  2. 6. (2 words) forms a straight angle
  3. 7. Forms right angles
  4. 9. Less than 90*
  5. 11. A _________ angle is 180*
  6. 13. Cuts a line segment or angle in half
  7. 14. Has three equal sides
  8. 15. Has only one endpoint
  9. 17. A measurable one-dimensional figure
  10. 21. Has no equal sides
  11. 23. A ____________ angle is formed when one of the sides of the triangle is extended
  12. 25. The sum of any two sides of a triangle has to be _______________ (2 words) the third side
  13. 27. Lines that never meet are _______________
Down
  1. 1. Points that lie on the same line are ______________
  2. 2. In the same position
  3. 4. Equal in measure
  4. 5. Adds to 180*
  5. 8. Represented by a single uppercase letter
  6. 10. A line that intersects 2 or more lines
  7. 12. A three sided polygon
  8. 16. More than 90*
  9. 18. Cuts a line segment in half
  10. 19. A one-dimensional figure
  11. 20. Has two equal sides
  12. 22. __________ angles are opposite each other when lines intersect
  13. 24. Formed by 2 rays
  14. 26. A _________ angle is 90*