Geometry

1. ruler with no markings on it
4. ordered set of numbers that define the position of a point
5. Two objects are __________ if they both lie in the same plane
6. An angle that is between 90° and 180°
11. set of points the figures have in common
12. A line is perpendicular to another if it meets or crosses it at right angles (90°)
17. the real number that corresponds with the point two segments that have the same length
18. the endpoint is the __________ of the angle
19. indicates a location and has no size
21. flat surface that extends without end and has no thickness
22. an angle that measure 90 degrees
23. a straight strip or cylinder of plastic, wood, metal, or other rigid material, typically marked at regular intervals, to draw straight lines or measure distances
24. a 180 degree angle
25. geometrical tool used to draw circles and parts of circles called arcs
27. A polygon that has one or more interior angles greater than 180°
29. two rays that share the same endpoint and form a line

1. the point, line, ray, or segment
2. segment is a point that divides the segment into two congruent segments
3. an instrument having a graduated arc for plotting or measuring angles
5. A set of points that lie in a straight line
7. segment is a line, ray, or segment that is perpendicular to the segment at its midpoint
8. sum of the lengths of a polygons side
9. straight path that extends in two opposite directions without end and has no thickness
10. Two or more lines that intersect at only one point
12. two lines that intersect to form right angles
13. unit of angle measurements equal to 1 over 360
14. A polygon that has all interior angles less than 180°
15. An angle with a measure between 0° and 90°
16. formed by two rays with the same endpoint
20. part of a line that consists of one endpoint and all the points of the line one side of the endpoint
26. part of a line that consists of two endpoints and all points between them
28. number of square units enclosed in a ploygon
30. an accepted state or fact