Crossword

1. a combination of two rays with a common endpoint.
4. the point of a triangle where three medians of the triangle intersects
6. side, the side next from a given angle.
8. a line that touches the circle at exactly one point never entering the circle's interior.
9. the center of a triangle's circumcircle.
13. a straight line that passes though the center of the circle.
14. a line that intersects a circle in exactly two points.

1. next side to the given angle.
2. a point on a line segment equally distant from the two endpoints.
3. the single point in which the three bisectors of the interior angles of a triangle intersect and which is the center of the inscribed circle.
5. the distance from the center of the circle to any point on it's circumference.
7. the perimeter of circle.
10. the line segment joining any two points on the circumference of the circle.
11. longest side of the triangle.
12. a line that divides an angle of the triangle into two congruent parts.