algebra pt4

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Across
  1. 3. a six-sided polygon
  2. 6. (of a triangle) having two sides of equal length
  3. 7. a length between two points
Down
  1. 1. crossed or intersected in the form of an X
  2. 2. a shape with eight angles and eight sides
  3. 4. one of several parts that fit with others to make a whole
  4. 5. one of several parts that fit with others to make a whole