 | Term | Definition |
| |
segment bisector |
a line, ray, or segment that passes through the midpoint of a segment |
| |
perpendicular bisector |
only 1 bisector that's perpendicular |
| |
equidistant |
equal distance |
| |
median |
a segment from the vertex to the midpoint of the opposite side |
| |
midsegment |
a segment that connects the midpoints of 2 triangle sides |
| |
altitudes |
a perpendicular segment from a vertex of a triangle to a line containing the opposite side |
| |
"distance from point to line" |
the length of a perpendicular segment from a point to a line |
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angle bisector |
a ray that divides the angle into 2 congruent segments |
| |
parallel lines |
lines that lie in the same plane, but don'e interesect |
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detirmine |
affecting of outcome |
| |
concurrent |
3 or more lines that have a common point |
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incenter |
point of concurrency in a triangle for 3 angle bisectors |
| |
circumcenter |
point of concurrency in a triangle for the perpendicular bisector |
| |
orthocenter |
point of concurrency in a triangle for 3 altitudes |
| |
circumscribed |
a circle (on the outside) that only passes through each vertex of a polygone |
| |
inscribed |
a circle (on the inside) of a polygon and only touches each side at exactly 1 point |
| |
centroid |
intersection of medians |
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