Circle and Trig word search

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Across
  1. 2. A line segment that goes across the circle, but doesn't necessarily go through the center
  2. 5. A shape with no sides that is round
  3. 6. In a right triangle, is equal to opposite over adjacent
  4. 7. In a right triangle, is equal to opposite over hypotenuse
  5. 10. the distance around the outside of a circle
  6. 11. A line that touches the outside of a circle at one point
  7. 13. The name of the theorem that states a^2 + b^2 = c^2
  8. 15. The distance across a circle that goes through the center of the circle
Down
  1. 1. a part of the circumference of a circle
  2. 3. A triangle with a right angle
  3. 4. an arc smaller than a semi-circle
  4. 5. In a right triangle, is equal to adjacent over hypotenuse
  5. 8. A line that goes through two points on a circle
  6. 9. A theorem that states that the sum of the angles in a triangle are 180 degrees
  7. 12. an arc larger than a semi-circle
  8. 14. The distance from the center of the circle to a point on the circle