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Chapter 5 Vocabulary
Review for Unit Assessment
Term | Definition |
---|---|
Circumcenter | The point where 3 perpendicular bisectors meet. |
Incenter | The point where 3 angle bisectors meet. |
Median | A segment whose endpoints are a vertex and the midpoint of the opposite side. |
Orthocenter | The point where 3 altitudes meet. |
Altitude | A perpendicular segment that extends from a vertex to the line containing the opposite side. |
Centroid | The point where 3 medians meet. |
Angle bisector | A ray that divides an angle into 2 congruent parts. |
Circumscribed circle | All vertices of a polygon lie on the circle. |
Inscribed circle | Each side of a polygon is tangent to the circle. |
Point of concurrency | The point where 3 lines intersect. |
Concurrent lines | 3 lines that intersect at a point. The lines are said to be __. |