Geometry Vocab - Chapters 1-5

2. x minus x
8. segment that passes through the center of a circle whose endpoints are on the circle
9. a four sided figure with 4 congruent angles and 4 congruent sides
12. the point of concurrency for the altitudes of a triangle
15. one of the shorter sides of a right triangle
17. five-sided figure
19. a segment in a triangle whose endpoint are a vertex and the midpoint of the opposite side
20. the point of concurrency for the medians of a triangle
21. the length of all the sides of a figure
22. the longest side of a right triangle
27. the perimeter of a circle
28. segment that is half the length of a diameter
30. one-half plus 1.5
31. a perpendicular segment from a vertex to the line containing the side of a triangle opposite to the vertex
32. bisector a line or line segment that divides an angle into two equal parts
33. a triangle with at least two congruent sides
35. a triangle with three congruent sides

1. two lines that never intersect
3. six-sided figure
4. the point of concurrency for the perpendicular bisectors of a triangle
5. two angles whose sum is 180 degrees
6. this type of triangle has two acute angles and one angle that is 90 degrees
7. a four sided figure with 4 right angles, but not four congruent sides
10. two angles whose sum is 90 degrees
11. fifty percent of twenty
13. the point of concurrency for the angle bisectors of a triangle
14. x divided by x
16. half of ten
18. two lines that intersect at a right angle
23. ten percent of two-hundred
24. this type of triangle contains angles that are all less than 90 degrees
25. bisector a line segment perpendicular to and passing through the midpoint of a segment
26. this type of triangle has two acute angles and on angle that is greater than 90 degrees
29. a triangle with no congruent sides
34. eight-sided figure