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Ch 5 Vocab Geometry
| Vocab Word: | Definition: |
|---|---|
| 1. Altitude of a triangle: | The perpendicular segment from a vertex of a triangle to the opposite side or to the line that contains the opposite side. |
| 2. Angle bisector of a triangle: | A bisector of an angle of the triangle. |
| 3. Centroid of a triangle: | The point of concurrency of the medians of a triangle. |
| 4. Circumcenter of a triangle: | The point of concurrency of the perpendicular bisectors of a triangle. |
| 5. Concurrent lines: | Three or more lines that intersect in the same point. |
| 6.Distance from a point to a line: | The length of the perpendicular segment from the point to the line. |
| 7. Equidistant from two lines: | The same distance from one line as from another line. |
| 8. Equidistant from two points: | The same distance from one point as from another point. |
| 9. Incenter of a triangle: | The point of concurrency of the angle bisectors of a triangle. |
| 10. Median of a triangle: | A segment whose endpoints are a vertex of the triangle and the midpoint of the opposite side. |
| 11. Midsegment of a triangle: | A segment that connects the midpoints of two sides of a triangle. |
| 12. Orthocenter of a triangle: | The point of concurrency of the lines containing the altitudes of a triangle. |
| 13. Perpendicular bisector: | A segment, ray, line, or plane that is perpendicular to a segment at its midpoint. |
| 14. Perpendicular bisector of a triangle: | A line, ray, or segment that is perpendicular to a side of a triangle at the midpoint of the side. |
| 15. Point of concurrency: | The point of intersection of concurrent lines. |
Created by:
Alysa
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