Geometry Vocabulary

5. a flat, infinitely thin, surface that goes on indefinitely / a mode of transport that flies.
8. the boundaries of a 2D shape
9. a shape mirrored across a point / an image shown in still water or a mirror
12. to have equal measurements but not properties
13. an X,Y pair
14. a point marking the end of a ray or segment
17. the distance from the top of something to its base
18. the distance between two opposite points on a circle
19. where two or more edges meet

1. the side opposite to the right angle of a right angle triangle
2. divide into two equal halves
3. a geometric shape before a transformation
4. a well defined section of a line
6. a single side of a triangle / something we use to walk
7. points on the same plane
10. a idea assumed to be true
11. half the distance of the diameter
12. points that all fall on the same line
15. the circumference of a circle divided by the diameter / aomething eaten during Thanksgiving
16. a geometric shape after a transformation / a synonym for picture