Geometry Crossword Puzzle

1234567891011
Across
  1. 3. measures 180 degrees
  2. 6. less than 90 degrees
  3. 7. it has one arrow and one point
  4. 8. greater than 90 but less than 180 degrees
  5. 10. it has arrows on two sides
  6. 11. angle of 90 degrees
Down
  1. 1. makes exactly 90 degrees.
  2. 2. they never meet
  3. 3. same sized sides
  4. 4. they make V's
  5. 5. rotation is 360 degrees
  6. 9. half of a circle