Download Ch 1 Vocab list

Honors Geometry
Ch. 1 Vocabulary
Name:___________________
Write the word that fits each description (know these well).
1. Points that lie on the same line. _______________________
2. To divide a figure into two equal parts. _________________________
3. To have the same measure. _____________________
4. Endpoint of two rays that form an angle. ____________________
5. Two rays that intersect to form a line. ___________________
6. Angles whose sum measures 90o. ____________________
7. A part of a line that consists of two endpoints and all points between them. ____________________
8. An angle measuring less than 90o. ____________________
9. To have one or more points in common. _____________________
10. An angle measuring exactly 90o. ____________________
11. Two adjacent angles whose noncommon sides are opposite rays. ___________________
12. An angle that measures between 90o and 180o. ____________________
13. Points that lie on the same plane. _____________________
14. Rules that are accepted without proof. _____________________
15. Two angles whose sides form two pairs of opposite rays. ____________________
16. A part of a line that consists of one endpoint and all the points of the line on one side of the endpoint.
__________________
17. Two angles with a common side and vertex, but no common interior points. ____________________
18. Angles whose measures have the sum of 180o. ____________________
19. The point that divides a segment into two congruent segments. ____________________
20. A geometric figure drawn using a straight edge and a compass. ___________________
Honors Geometry
Ch. 1 Vocabulary
Supplementary
Midpoint
Postulates
Coplanar
Congruent
Right angle
Vertical angles
Intersection
Angle vertex
Bisect
Linear pair
Acute angle
Complementary
Opposite rays
Adjacent
Segment
Construction
Obtuse angle
Collinear
Ray
Name:___________________