assessment

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Across
  1. 6. Lines that cross each other.
  2. 9. A quadrilateral with only one pair of parallel sides.
  3. 10. A line that runs from left to right.
  4. 13. A line that runs up and down.
  5. 15. Lines that intersect at a right angle.
  6. 18. A triangle with 3 equal sides.
Down
  1. 1. A triangle where all angles are less than 90°. ____-angled triangle
  2. 2. A line connecting opposite corners.
  3. 3. A quadrilateral with opposite sides equal and 4 right angles.
  4. 4. The number of degrees at a perpendicular angle.
  5. 5. A shape with 4 equal sides and 4 right angles.
  6. 7. Instrument for drawing straight lines.
  7. 8. A part of a line that has two endpoints. Line ____
  8. 11. Triangle with 3 unequal sides
  9. 12. There are 180 degrees in a straight line. True or false?
  10. 14. A line that starts at one point and goes on forever in one direction.
  11. 16. A triangle that has one angle exactly 90°. ________-angled triangle
  12. 17. Two lines that never meet.
  13. 19. Triangle with 2 equal sides
  14. 20. Degrees on a straight line add up to one hundred and ______