Geometry Vocab

3. Triangle, A triangle that has one obtuse angle
5. A line segment with one endpoint at the center of a circle and the other endpoint on the circle
9. Line, Lines in a plane that never intersect
11. The point where two or more rays meet
14. Angle, An angle formed by perpendicular lines, line segments, or rays and with a measure of 90°
16. Segment, A part of a line that includes two points, called endpoints, and all of the points
18. Triangle, A triangle with no congruent sides
20. An exact location in space, usually represented by a dot
21. A parallelogram with four right angles
22. A line segment with its endpoints on a circle
23. Lines, Lines that cross at exactly one point
24. A polygon with four sides
26. The distance around a circle
27. A rectangle with 4 equal sides
28. Triangle, A triangle with two congruent sides
29. A closed plane figure formed by three or more line segments

1. A straight path in a plane that goes on forever in opposite directions
2. A closed plane figure with all points on the figure the same distance from the center
4. A polygon with three sides
6. Triangle, A triangle in which all three angles are acute
7. A polygon with six sides and six angles
8. A figure formed by two rays that have a common endpoint
9. A polygon with five sides
10. Figure, A figure that begins and ends at the same point
12. Triangle, A triangle with three congruent sides
13. A quadrilateral with one pair of parallel sides
15. A quadrilateral whose opposite sides are parallel and congruent
17. Lines, Two lines that intersect to form four right angles
19. A part of a line, with one endpoint, that continues without end in one direction
25. A line segment that passes through the center of a circle and has its endpoints on the circle