Vocabulary 31-40

3. of a triangle the point of concurrency of the three angle bisectors of a triangle.
4. a segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side.
6. the point of concurrency of three mediansofatriangle Also known as the center of gravity.
10. of a circle- a region inside a circle bounded by two radii of the circle and their intercepted arcs.
11. three or more lines that intersect at one point.
12. a style of proof that uses boxes and arrows to show the structure of the proof.
14. the distance along an arc measured in linear units.
15. a circle that contains all vertices of a polygon.

1. the line containing the circumcenter, centroid, and orthocenter of a triangle.
2. the point of currency of the three perpendicular bisectors of a triangle.
5. the point of currency of the three altitudes of a triangle.
7. the perpendicular segment from the vertex to the line containing the opposite side.
8. the opposite of the reciprocal of a number.
9. a point where three or more lines intersect.
13. a style of proof in which the statements and reasons are presented in paragraph form.