Circle and Measure Vocabulary

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Across
  1. 5. Set of equations linking the ratios sinA/sinB etc. (4,4)
  2. 6. Distance from a circle's center to its edge. (6)
  3. 9. Distance around a circle. (13)
  4. 11. Part of a circle which is cut of by a chord. (7)
  5. 14. Part of the circumference of a circle. (3)
  6. 16. Perpendicular line which cuts a line segment in half. (8)
  7. 17. Technique for finding angles and sides in right angle triangles. (12)
  8. 19. Another word for volume. (8)
  9. 20. Used when we have two lengths of a right angle triangle and want to calculate the third length. (10,7)
Down
  1. 1. Calculated as mass divided by area. (8)
  2. 2. Measure of 2D space. (4)
  3. 3. Measure of 3D space. (6)
  4. 4. Line all the way across a circle through the center. (8)
  5. 7. Part of a circle which is between two radii and an arc. (6)
  6. 8. Four sided shape drawn inside a circle, each corner touches the circle. (6,13)
  7. 10. Equation for finding lengths or sides in non right angle triangles. (6,4)
  8. 12. A measure similar to weight. (4)
  9. 13. Line perpendicular to a circles radius. (7)
  10. 15. Line across a circle (not generally through the center). (5)
  11. 18. Calculated as mass divided by volume. (7)