Geometry Vocabulary

4. a chord in a circle that intersects the radius
6. the most basic element of geometry that does not have length or width
10. a set of points that are equidistant to one point called CENTER
14. a segment of a circle
16. an instrument used to draw and measure line segments
20. when two figures have the same shape and the same size
21. two angles whose sum is 180 degrees
22. a line or segment that divides another geometric figure into two congruent

1. two lines or segments that never intersect
2. an instrument used to draw circles and arcs
3. a set of points that has a starting point and an ending point
5. when two figures have the same shape, but they have different size
6. an instrument used to measure angles
7. two angles whose sum is 90 degrees
8. a set of points that extends forever in opposite directions
9. a line that goes straight up and straight down. A pair of angles that are opposite each other when two lines intersect
11. a set of points that extends forever in one direction
12. two angles that share a side
13. The subject that focuses on the characteristics and relationships between shapes
15. a segment that intersects a circle at two points
17. the distant between the center of a circle and every point on the circle
18. the point in the middle of a segment
19. to intersect and form a 90 degree angle