GEOM Vocab

1. a connection of points that form half of a circle
4. A transformation that flips a figure over the y or x axis
7. a triangle with a angle of 90 degrees
9. An angle measurement that is exactly 90 degrees
10. an eight sided polygon
11. A flat 2D surface that extends infinitely in all directions.
12. The ratio of the lengths of corresponding sides of two similar figures
14. The total area of the surface of a 3D object
15. a five sided polygon
16. a polygon with 7 sides and angles
18. A logical argument that establishes the truth of a statement based on previously accepted statement
19. A relationship between two shapes where they have the same shape but not necessarily the same size
20. a triangle with a right angle
22. an exact location represented by a dot
24. the measurement of an angle
26. the amount of space in a 3D object
27. A solid geometric figure with two parallel congruent bases connected by rectangles
29. a scientific or mathematical educated guess

1. two angles that equate to 180 degrees
2. a six sided polygon
3. A transformation that changes the size of a shape while maintaining its shape
5. A polygon with all sides and all angles equal
6. a straight line going through the middle of the circle connecting two opposite points
8. a triangle with 2 equal sides
13. A straight line connecting the central point of the circle to an outside point
17. A transformation that turns a figure around a fixed point
21. A relationship between two shapes where they are identical in shape and size
23. A statement that has been proven to be true
25. A closed figure formed by a fixed number of straight lines that connect to form a shape
28. A measure of the steepness or incline of a line calculated as rise of run