Crossword 1

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Across
  1. 4. A triangle that has a right angle
  2. 6. A monomial that doesn't include a variable
  3. 8. An expression made up from two unlike terms
  4. 9. Five squared
  5. 10. Two angles having the sum of 90 degrees
  6. 11. A segment that joins the vertex of a triangle with the midpoint of the opposite side
Down
  1. 1. The point of intersection of heights in a triangle
  2. 2. Triple of six
  3. 3. A number that is less than zero
  4. 5. Two lines that never meet
  5. 7. The point located in the middle of a segment
  6. 9. The procedure of writing as a product of factors