Vocab

2. of congruency of a triangle The point where three or more concurrent lines meet in a triangle.
4. of a triangle The point where the three medians of a triangle intersect; also known as the center of mass.
6. of a triangle A property where a point is the same distance from two or more geometric figures.
8. Matching parts of similar or congruent figures.
11. lines of a triangle Lines that intersect at a single point.
12. of a triangle A line segment that connects a vertex of a triangle to the midpoint of the opposite side.
13. of a triangle The point where the angle bisectors of a triangle meet, equidistant from all sides.

1. of a triangle A perpendicular segment from a vertex of a triangle to the line containing the opposite side.
3. figures Figures that have the same shape but may differ in size, with corresponding angles equal and sides proportional.
5. bisector of a triangle A line that divides a side of a triangle into two equal parts at 90 degrees.
7. A relationship where two ratios are equal.
8. of a triangle The point where the perpendicular bisectors of a triangle’s sides meet, equidistant from all vertices.
9. of a triangle The point where the three altitudes of a triangle intersect.
10. bisector of a triangle A line that divides an angle of a triangle into two equal parts.