Mathematics

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Across
  1. 2. The _____ of a circle is half the length
  2. 6. _____ is the measurement of sides and angles of a triangle
  3. 7. How many sides does an octagon
Down
  1. 1. The _____ Theorem describes the relationship among the three sides of a right triangle.
  2. 3. _____ is the sum of the term in a sequence.
  3. 4. The sum of the angles in a _____ is always 180 degrees
  4. 5. A sum of the geometric sequence of number is called ___ series.