Vocab 31-40 Crossword Quiz

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Across
  1. 1. A region inside a circle bounded by two radii of the circle and their intercepted arc.
  2. 4. The point of concurrency of the three medians of a triangle. Also known as the center of gravity.
  3. 5. A point where three or more lines intersect.
  4. 7. The distance along an arc measured in linear units.
  5. 9. A segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side.
  6. 11. The line containing the circumcenter, centroid, and orthocenter of a triangle.
  7. 12. A style of proof in which the statements and reasons are presented in paragraph form.
  8. 14. A style of proof in which the statements and reasons are presented in paragraph form.
  9. 15. The point of concurrency of the three altitudes of a triangle.
Down
  1. 2. A polygon for which every vertex lies on the same circle.
  2. 3. The point of concurrency of the three angle bisectors of a triangle.
  3. 6. The opposite of the reciprocal of a number.
  4. 8. A plane figure made up of simple shapes, or a three dimensional figure made up of simple three dimensional figures.
  5. 10. A style of proof that uses boxes and arrows to show the structure of the proof.
  6. 13. Three or more lines that intersect at one point.