Geometry Vocabulary

6. a triangle that has no congruent sides
7. a segment that passes through the vertex of a triangle and is perpendicular to the line containing the opposite side
8. two coplanar lines that will never intersect
9. lines that intersect to form right angles
11. a segment that joins the two midpoints of a triangle
14. two adjacent that form a line and are always supplementary
15. a segment that joins the vertex of a triangle to the midpoint of the opposite side

1. a triangle with at least two congruent sides
2. two rays sharing a common endpoint called the vertex
3. the point at which two sides of an angle meet
4. the angles opposite each other when two lines intersect; these angles are always congruent
5. two angles whose measures add to 180
10. to divide into two congruent parts
12. a triangle that has 3 congruent sides and 3 congruent angles (each of which is 60 degrees)
13. a point that divides a segment into two congruent segments