Unit 5 Set 1

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Across
  1. 1. round and 3 dimensional figure like a globe
  2. 4. the act of using mathematics
  3. 6. the length of a line through a circle
  4. 7. nearly correct or exact
  5. 8. having to do with astronomy
Down
  1. 2. to judge or discover the value of something
  2. 3. rules by which something can be measured
  3. 5. to move in a circle around another object