4-15-12 CROSS WORD PUZZLE

12345678910
Across
  1. 4. the act of expressing or setting forth in words: the free expression of political opinions.
  2. 8. any particular extent of space or surface; part: the dark areas in the painting; the dusty area of the room.
  3. 9. the branch of mathematics that deals with the deduction of the properties, measurement, and relationships of points, lines, angles, and figures in space from their defining conditions.
  4. 10. the letter π, used as the symbol for the ratio of the circumference of a circle to its diameter.
Down
  1. 1. a collection of written or printed sheets bound together and constituting a book.
  2. 2. the space within two lines or three or more planes diverging from a common point, or within two planes diverging from a common line.
  3. 3. the kind of action or activity proper to a person, thing, or institution; the purpose for which something is designed or exists; role.
  4. 5. a strong likelihood or chance of something.
  5. 6. the act of equating or making equal; equalization: the symbolic equation of darkness with death.
  6. 7. the branch of mathematics that deals with general statements of relations, utilizing letters and other symbols to.