analytic geometry

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Across
  1. 3. line that intersects a circle once
  2. 4. any unbroken part of the circumference of a circle or other curved line
  3. 6. two angles that add up to 180 degrees
  4. 8. the line segment between two points on a given curve
  5. 9. pair of numbers giving location of a point (ordered pair0
  6. 10. line that intersects a circle twice
Down
  1. 1. a set of three positive integers which satisfies the Pythagorean theorm a^2+b^2=c^2
  2. 2. congruent to angle of elevation
  3. 5. adjacent/hypotenuse
  4. 7. halfway between two points