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Stack #4597550
| Term | Definition |
|---|---|
| circumcenter | perpendicular bisectors… equidistant from vertices |
| incenter | angle bisectors from midpoints… equidistant from sides |
| centroid | medians… thirds |
| orthocenter | altitudes from vertices |
| midpoint formula | (x1+x2/2 , y1+y2/2) |
| slope formula | y2-y1/x2-x1 |
| perpendicular bisectors | midpoint, slope, opposite reciprocal of slope |
| median | vertex, midpoint of side, slope from vertex to midpoint |