10 star final

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Across
  1. 4. An arc whose endpoints lie on a diameter, named using three letters
  2. 7. A triangle with 3 sides all of different lengths is referred to as a ____ triangle
  3. 9. A polynomial that only has one term
  4. 12. A line that intersects a circle in two points
  5. 13. Set of all points in a plane that are equidistant from a given point
  6. 14. A segment from the center of the circle to any point on the circle
  7. 16. A triangle with exactly 1 ___ interior angle that measures exactly 90 degrees
  8. 17. A segment whose endpoints are on the circle
  9. 18. A symbol used to represent an unknown amount
  10. 19. Quantities that you add to form an algebraic expression
Down
  1. 1. A triangle with all 3 interior angles that are less than 90 degrees
  2. 2. The largest exponent found in the polynomial
  3. 3. A triangle with exactly 2 congruent sides is referred to as an ___ triangle
  4. 5. A triangle with all sides being congruent is referred to as an ___ triangle
  5. 6. A line in the plane of the circle that intersects the circle in exactly one point
  6. 8. The number being multiplied by a variable
  7. 10. A triangle that has exactly 1 ___ interior angle that is greater than 90 degrees
  8. 11. Either an enlargement or a reduction of a geometric figure
  9. 15. A chord that contains the center of the circle
  10. 17. A number that doesn't change