Vocab 31-40 Crossword Quiz

5. The point of concurrency of the three altitudes of a triangle.
8. A point where three or more lines intersect.
9. The point of concurrency of the three medians of a triangle. Also known as the center of gravity.
11. A segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side.
13. The opposite of the reciprocal of a number.
14. A polygon for which every vertex lies on the same circle.

1. A style of proof that uses boxes and arrows to show the structure of the proof.
2. The point of concurrency of the three angle bisectors of a triangle.
3. A style of proof in which the statements and reasons are presented in paragraph form.
4. The distance along an arc measured in linear units.
6. Three or more lines that intersect at one point.
7. A region inside a circle bounded by two radii of the circle and their intercepted arc.
9. A plane figure made up of simple shapes, or a three dimensional figure made up of simple three dimensional figures.
10. A style of proof in which the statements and reasons are presented in paragraph form.
12. The line containing the circumcenter, centroid, and orthocenter of a triangle.